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rock - 20 dictionary results
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rock

1  [rok]
Use rock in a Sentence
–noun
1. a large mass of stone forming a hill, cliff, promontory, or the like.
2. Geology.
a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature, as by the action of heat or water.
b. a particular kind of such matter: igneous rock.
3. stone in the mass: buildings that stand upon rock.
4. a stone of any size.
5. something resembling or suggesting a rock.
6. a firm foundation or support: The Lord is my rock.
7. Chiefly British. a kind of hard candy, variously flavored.
8. rock candy.
9. Often, rocks. Slang.
a. a piece of money.
b. a dollar bill.
10. Slang.
a. a diamond.
b. any gem.
11. Slang.
a. crack (def. 41).
b. a pellet or lump of crack.
—Idioms
12. between a rock and a hard place, between undesirable alternatives.
13. get one's rocks off, Slang: Vulgar. to have an orgasm.
14. on the rocks,
a. Informal. in or into a state of disaster or ruin: Their marriage is on the rocks.
b. Informal. without funds; destitute; bankrupt.
c. (of a beverage, esp. liquor or a cocktail) with, or containing, ice cubes: Scotch on the rocks; a vodka martini on the rocks.
Origin:
1300–50; 1905–10 for def. 10; ME rokk(e) < OF ro(c)que, roche (cf. roche alum ); cf. Sp, Pr roca, It rocca, ML rocha, rocca (> late OE -rocc in stānrocc “stone-rock”)

Related forms:
rockless, adjective
rocklike, adjective
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rock

2  [rok]
–verb (used without object)
1. to move or sway to and fro or from side to side.
2. to be moved or swayed powerfully with excitement, emotion, etc.
3. Mining. (of sand or gravel) to be washed in a cradle.
4. to dance to or play rock music.
5. (of popular music) to have the driving beat characteristic of rock.
–verb (used with object)
6. to move or sway to and fro or from side to side, esp. gently and soothingly.
7. to lull in security, hope, etc.
8. to affect deeply; stun; move or sway powerfully, as with emotion: Everyone in the courtroom was rocked by the verdict.
9. to shake or disturb violently: A thunderous explosion rocked the waterfront.
10. Graphic Arts. to roughen the surface of (a copperplate) with a rocker preparatory to scraping a mezzotint.
11. Mining. cradle (def. 22).
–noun
12. a rocking movement: the gentle rock of the boat.
13. rock-'n'-roll (def. 1).
–adjective
14. rock-'n'-roll (def. 3).
—Idiom
15. rock the boat, Informal. to disrupt the smooth functioning or routine of something: Don't rock the boat by demanding special treatment from management.
Origin:
bef. 1100; ME rocken, OE roccian; c. MD rocken; akin to G rücken; ON rykkja to jerk

Related forms:
rock⋅a⋅ble, adjective
rock⋅ing⋅ly, adverb

Synonyms:
1. roll, shake. See swing 1 .

rock

3  [rok]
–noun
striped bass.
Origin:
1690–1700; short for rockfish

Rock

  [rok]
–noun
a male given name.

crack

  [krak]
–verb (used without object)
1. to break without complete separation of parts; become fissured: The plate cracked when I dropped it, but it was still usable.
2. to break with a sudden, sharp sound: The branch cracked under the weight of the snow.
3. to make a sudden, sharp sound in or as if in breaking; snap: The whip cracked.
4. (of the voice) to break abruptly and discordantly, esp. into an upper register, as because of weariness or emotion.
5. to fail; give way: His confidence cracked under the strain.
6. to succumb or break down, esp. under severe psychological pressure, torture, or the like: They questioned him steadily for 24 hours before he finally cracked.
7. Chemistry. to decompose as a result of being subjected to heat.
8. Chiefly South Midland and Southern U.S. to brag; boast.
9. Chiefly Scot. to chat; gossip.
–verb (used with object)
10. to cause to make a sudden sharp sound: The driver cracked the whip.
11. to break without complete separation of parts; break into fissures.
12. to break with a sudden, sharp sound: to crack walnuts.
13. to strike and thereby make a sharp noise: The boxer cracked his opponent on the jaw.
14. to induce or cause to be stricken with sorrow or emotion; affect deeply.
15. to utter or tell: to crack jokes.
16. to cause to make a cracking sound: to crack one's knuckles.
17. to damage, weaken, etc.: The new evidence against him cracked his composure.
18. to make mentally unsound.
19. to make (the voice) harsh or unmanageable.
20. to solve; decipher: to crack a murder case.
21. Informal. to break into (a safe, vault, etc.).
22. Chemistry. to subject to the process of cracking, as in the distillation of petroleum.
23. Informal. to open and drink (a bottle of wine, liquor, beer, etc.).
–noun
24. a break without complete separation of parts; fissure.
25. a slight opening, as between boards in a floor or wall, or between a door and its doorpost.
26. a sudden, sharp noise, as of something breaking.
27. the snap of or as of a whip.
28. a resounding blow: He received a terrific crack on the head when the branch fell.
29. Informal. a witty or cutting remark; wisecrack.
30. a break or change in the flow or tone of the voice.
31. Informal. opportunity; chance; try: Give him first crack at the new job.
32. a flaw or defect.
33. Also called rock. Slang. pellet-size pieces of highly purified cocaine, prepared with other ingredients for smoking, and known to be especially potent and addicting.
34. Masonry. check 1 (def. 41).
35. a mental defect or deficiency.
36. a shot, as with a rifle: At the first crack, the deer fell.
37. a moment; instant: He was on his feet again in a crack.
38. Slang. a burglary, esp. an instance of housebreaking.
39. Chiefly British. a person or thing that excels in some respect.
40. Slang: Vulgar. the vulva.
41. Chiefly Scot. conversation; chat.
42. British Dialect. boasting; braggadocio.
43. Archaic. a burglar.
–adjective
44. first-rate; excellent: a crack shot.
–adverb
45. with a cracking sound.
—Verb phrases
46. crack down, to take severe or stern measures, esp. in enforcing obedience to laws or regulations: The police are starting to crack down on local drug dealers.
47. crack off, to cause (a piece of hot glass) to fall from a blowpipe or punty.
48. crack on, Nautical.
a. (of a sailing vessel) to sail in high winds under sails that would normally be furled.
b. (of a power vessel) to advance at full speed in heavy weather.
49. crack up, Informal.
a. to suffer a mental or emotional breakdown.
b. to crash, as in an automobile or airplane: He skidded into the telephone pole and cracked up.
c. to wreck an automobile, airplane, or other vehicle.
d. to laugh or to cause to laugh unrestrainedly: That story about the revolving door really cracked me up. Ed cracked up, too, when he heard it.
—Idioms
50. crack a book, Informal. to open a book in order to study or read: He hardly ever cracked a book.
51. crack a smile, Informal. to smile.
52. crack wise, Slang. to wisecrack: We tried to be serious, but he was always cracking wise.
53. fall through the cracks, to be overlooked, missed, or neglected: In any inspection process some defective materials will fall through the cracks. Also, slip between the cracks.
54. get cracking, Informal.
a. to begin moving or working; start: Let's get cracking on these dirty dishes!
b. to work or move more quickly.
Origin:
bef. 1000; ME crak(k)en (v.), crak (n.), OE cracian to resound; akin to G krachen, D kraken (v.), and G Krach, D krak (n.)

Related forms:
crack⋅a⋅ble, adjective
crackless, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To rock
rock 1   (rŏk)   
n.  
  1. Relatively hard, naturally formed mineral or petrified matter; stone.
    1. A relatively small piece or fragment of such material.
    2. A relatively large body of such material, as a cliff or peak.
    3. A varicolored stick candy.
    4. Rock candy.
  3. A naturally formed aggregate of mineral matter constituting a significant part of the earth's crust.
  4. One that is similar to or suggestive of a mass of stone in stability, firmness, or dependability: The family has been his rock during this difficult time.
  5. rocks Slang Money.
  6. Slang A large gem, especially a diamond.
  7. Slang Crack cocaine.
    1. A varicolored stick candy.
    2. Rock candy.

[Middle English, from Old North French roque, from Vulgar Latin *rocca.]
rock 2   (rŏk)   
v.   rocked, rock·ing, rocks

v.   intr.
  1. To move back and forth or from side to side, especially gently or rhythmically.
  2. To sway violently, as from a blow or shock. See Synonyms at swing.
  3. To be washed and panned in a cradle or in a rocker. Used of ores.
  4. Music To play or dance to rock 'n' roll.
v.   tr.
  1. To move back and forth or from side to side, especially in order to soothe or lull to sleep.
  2. To cause to shake or sway violently. See Synonyms at agitate.
  3. To disturb the mental or emotional equilibrium of; upset: News of the scandal rocked the town.
  4. To wash or pan (ore) in a cradle or rocker.
  5. In mezzotint engraving, to roughen (a metal plate) with a rocker or roulette.
n.  
    1. A rocking motion.
    2. The act of rocking.
  2. Music Rock 'n' roll.

[Middle English rokken, from Old English roccian.]
rock'ing·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Rock

Rock\, n. See Roc.

Rock

Rock\, n. [OE. rocke; akin to D. rok, rokken, G. rocken, OHG. roccho, Dan. rok, Icel. rokkr. Cf. Rocket a firework.] A distaff used in spinning; the staff or frame about which flax is arranged, and from which the thread is drawn in spinning. --Chapman.

Sad Clotho held the rocke, the whiles the thread By grisly Lachesis was spun with pain, That cruel Atropos eftsoon undid. --Spenser.

Rock

Rock\, n. [OF. roke, F. roche; cf. Armor. roc'h, and AS. rocc.]

1. A large concreted mass of stony material; a large fixed stone or crag. See Stone.

Come one, come all! this rock shall fly From its firm base as soon as I. --Sir W. Scott.

2. (Geol.) Any natural deposit forming a part of the earth's crust, whether consolidated or not, including sand, earth, clay, etc., when in natural beds.

3. That which resembles a rock in firmness; a defense; a support; a refuge.

The Lord is my rock, and my fortress. --2 Sam. xxii. 2.

4. Fig.: Anything which causes a disaster or wreck resembling the wreck of a vessel upon a rock.

5. (Zo["o]l.) The striped bass. See under Bass.

Note: This word is frequently used in the formation of self-explaining compounds; as, rock-bound, rock-built, rock-ribbed, rock-roofed, and the like.

Rock alum. [Probably so called by confusion with F. roche a rock.] Same as Roche alum.

Rock barnacle (Zo["o]l.), a barnacle (Balanus balanoides) very abundant on rocks washed by tides.

Rock bass. (Zo["o]l.) (a) The stripped bass. See under Bass. (b) The goggle-eye. (c) The cabrilla. Other species are also locally called rock bass.

Rock builder (Zo["o]l.), any species of animal whose remains contribute to the formation of rocks, especially the corals and Foraminifera.

Rock butter (Min.), native alum mixed with clay and oxide of iron, usually in soft masses of a yellowish white color, occuring in cavities and fissures in argillaceous slate.

Rock candy, a form of candy consisting of crystals of pure sugar which are very hard, whence the name.

Rock cavy. (Zo["o]l.) See Moco.

Rock cod (Zo["o]l.) (a) A small, often reddish or brown, variety of the cod found about rocks andledges. (b) A California rockfish.

Rock cook. (Zo["o]l.) (a) A European wrasse (Centrolabrus exoletus). (b) A rockling.

Rock cork (Min.), a variety of asbestus the fibers of which are loosely interlaced. It resembles cork in its texture.

Rock crab (Zo["o]l.), any one of several species of large crabs of the genus Cancer, as the two species of the New England coast (C. irroratus and C. borealis). See Illust. under Cancer.

Rock cress (Bot.), a name of several plants of the cress kind found on rocks, as Arabis petr[ae]a, A. lyrata, etc.

Rock crystal (Min.), limpid quartz. See Quartz, and under Crystal.

Rock dove (Zo["o]l.), the rock pigeon; -- called also rock doo.

Rock drill, an implement for drilling holes in rock; esp., a machine impelled by steam or compressed air, for drilling holes for blasting, etc.

Rock duck (Zo["o]l.), the harlequin duck.

Rock eel. (Zo["o]l.) See Gunnel.

Rock goat (Zo["o]l.), a wild goat, or ibex.

Rock hopper (Zo["o]l.), a penguin of the genus Catarractes. See under Penguin.

Rock kangaroo. (Zo["o]l.) See Kangaroo, and Petrogale.

Rock lobster (Zo["o]l.), any one of several species of large spinose lobsters of the genera Panulirus and Palinurus. They have no large claws. Called also spiny lobster, and sea crayfish.

Rock meal (Min.), a light powdery variety of calcite occuring as an efflorescence.

Rock milk. (Min.) See Agaric mineral, under Agaric.

Rock moss, a kind of lichen; the cudbear. See Cudbear.

Rock oil. See Petroleum.

Rock parrakeet (Zo["o]l.), a small Australian parrakeet (Euphema petrophila), which nests in holes among the rocks of high cliffs. Its general color is yellowish olive green; a frontal band and the outer edge of the wing quills are deep blue, and the central tail feathers bluish green.

Rock pigeon (Zo["o]l.), the wild pigeon (Columba livia) Of Europe and Asia, from which the domestic pigeon was derived. See Illust. under Pigeon.

Rock pipit. (Zo["o]l.) See the Note under Pipit.

Rock plover. (Zo["o]l.) (a) The black-bellied, or whistling, plover. (b) The rock snipe.

Rock ptarmigan (Zo["o]l.), an arctic American ptarmigan (Lagopus rupestris), which in winter is white, with the tail and lores black. In summer the males are grayish brown, coarsely vermiculated with black, and have black patches on the back.

Rock rabbit (Zo["o]l.), the hyrax. See Cony, and Daman.

Rock ruby (Min.), a fine reddish variety of garnet.

Rock salt (Min.), cloride of sodium (common salt) occuring in rocklike masses in mines; mineral salt; salt dug from the earth. In the United States this name is sometimes given to salt in large crystals, formed by evaporation from sea water in large basins or cavities.

Rock seal (Zo["o]l.), the harbor seal. See Seal.

Rock shell (Zo["o]l.), any species of Murex, Purpura, and allied genera.

Rock snake (Zo["o]l.), any one of several large pythons; as, the royal rock snake (Python regia) of Africa, and the rock snake of India (P. molurus). The Australian rock snakes mostly belong to the allied genus Morelia.

Rock snipe (Zo["o]l.), the purple sandpiper (Tringa maritima); -- called also rock bird, rock plover, winter snipe.

Rock soap (Min.), a kind of clay having a smooth, greasy feel, and adhering to the tongue.

Rock sparrow. (Zo["o]l.) (a) Any one of several species of Old World sparrows of the genus Petronia, as P. stulla, of Europe. (b) A North American sparrow (Puc[ae]a ruficeps).

Rock tar, petroleum.

Rock thrush (Zo["o]l.), any Old World thrush of the genus Monticola, or Petrocossyphus; as, the European rock thrush (M. saxatilis), and the blue rock thrush of India (M. cyaneus), in which the male is blue throughout.

Rock tripe (Bot.), a kind of lichen (Umbilicaria Dillenii) growing on rocks in the northen parts of America, and forming broad, flat, coriaceous, dark fuscous or blackish expansions. It has been used as food in cases of extremity.

Rock trout (Zo["o]l.), any one of several species of marine food fishes of the genus Hexagrammus, family Chirad[ae], native of the North Pacific coasts; -- called also sea trout, boregat, bodieron, and starling.

Rock warbler (Zo["o]l.), a small Australian singing bird (Origma rubricata) which frequents rocky ravines and water courses; -- called also cataract bird.

Rock wren (Zo["o]l.), any one of several species of wrens of the genus Salpinctes, native of the arid plains of Lower California and Mexico.

Rock

Rock\, v. t. [imp. & p. p. Rocked;p. pr. & vb. n. Rocking.] [AS. roccian; akin to Dan. rokke to move, to snake; cf. Icel. rukkja to pull, move, G. r["u]cken to move, push, pull.]

1. To cause to sway backward and forward, as a body resting on a support beneath; as, to rock a cradle or chair; to cause to vibrate; to cause to reel or totter.

A rising earthquake rocked the ground. --Dryden.

2. To move as in a cradle; hence, to put to sleep by rocking; to still; to quiet. "Sleep rock thy brain." --Shak.

Note: Rock differs from shake, as denoting a slower, less violent, and more uniform motion, or larger movements. It differs from swing, which expresses a vibratory motion of something suspended.

Rock

Rock\, v. i. 1. To move or be moved backward and forward; to be violently agitated; to reel; to totter.

The rocking town Supplants their footsteps. --J. Philips .

2. To roll or saway backward and forward upon a support; as, to rock in a rocking-chair.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : rock
Spanish: roca,
German: der Felsen,
Japanese: 岩
More Translations »

rock  (n.)
"stone," O.E. rocc (in stanrocc "stone rock or obelisk"), also from O.N.Fr. roque, from M.L. rocca (767), from V.L. *rocca, of uncertain origin, sometimes said to be from Celtic (cf. Bret. roch). Seems to have been used in M.E. principally for rock formations as opposed to individual stones. Meaning "precious stone, especially a diamond," is 1908, U.S. slang. Fig. use for "sure foundation" (especially with ref. to Christ) is from 1526. Meaning "crystalized cocaine" is attested from 1973, in West Coast U.S. slang. Rocks "ice cubes" is from 1946; slang meaning "testicles" is first recorded in phrase get (one's) rocks off "achieve intense satisfaction." On the rocks "ruined" is from 1889. Rock-bottom "lowest possible" is from 1856. Rock-salt is from 1707. Between a rock and a hard place first attested 1921, originally in Arizona. Rock-ribbed is from 1776, originally of land; fig. sense of "resolute" first recorded 1887.

rock  (v.1)
"to sway," late O.E. roccian, related to O.N. rykkja "to pull, tear, move," Swed. rycka "to pull, pluck," M.Du. rucken, O.H.G. rucchan, Ger. rücken "to move jerkily." For musical senses, see rock (v.2). Rocking horse is first recorded 1724; rocking chair is from 1766. To rock the boat is attested from 1931. Rock-a-bye first recorded 1805 in nursery rhyme.

rock  (v.2)
"to dance to popular music with a strong beat," 1948 (first attested in song title "We're gonna rock"), from rock (v.1), in earlier blues slang sense of "to cause to move with musical rhythm" (1922); often used at first with sexual overtones (cf. 1922 song title "My Man Rocks Me (with One Steady Roll)"). Sense developed early 1950s to "play or dance to rock and roll music." Noun sense of "musical rhythm characterized by a strong beat" is from 1946, in blues slang. Rocksteady, Jamaican pop music style (precursor of reggae), is attested from 1969.
Online Etymology Dictionary, © 2001 Douglas Harper
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Main Entry: rock
Pronunciation: 'räk
Function: noun
1 : a small crystallized mass of crack cocaine
2 : CRACK called also rock cocaine
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Rock (rŏk), John. 1890-1984.

American gynecologist and obstetrician who helped develop (1954) the first effective oral contraceptive.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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rock   (rŏk)  Pronunciation Key 
  1. A relatively hard, naturally occurring mineral material. Rock can consist of a single mineral or of several minerals that are either tightly compacted or held together by a cementlike mineral matrix. The three main types of rock are igneous, sedimentary, and metamorphic.
  2. A piece of such material; a stone.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Rock

(Heb. tsur), employed as a symbol of God in the Old Testament (1 Sam. 2:2; 2 Sam. 22:3; Isa. 17:10; Ps. 28:1; 31:2,3; 89:26; 95:1); also in the New Testament (Matt. 16:18; Rom. 9:33; 1 Cor. 10:4). In Dan. 2:45 the Chaldaic form of the Hebrew word is translated "mountain." It ought to be translated "rock," as in Hab. 1:12 in the Revised Version. The "rock" from which the stone is cut there signifies the divine origin of Christ. (See STONE.)

Easton's 1897 Bible Dictionary
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rock

In addition to the idioms beginning with rock, also see between a rock and a hard place; on the rocks; steady as a rock.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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