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rocket

 - 13 dictionary results
Rocket
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rock⋅et

1  [rok-it]
Use rocket in a Sentence
–noun
1. any of various simple or complex tubelike devices containing combustibles that on being ignited liberate gases whose action propels the tube through the air: used for pyrotechnic effect, signaling, carrying a lifeline, hurling explosives at an enemy, putting a space vehicle into orbit, etc.
2. a space capsule or vehicle put into orbit by such devices.
3. rocket engine.
–verb (used with object)
4. to move or transport by means of a rocket.
5. to attack with rockets.
–verb (used without object)
6. to move like a rocket.
7. (of game birds) to fly straight up rapidly when flushed.
Origin:
1605–15; < It rocchetta, dim. of rocca distaff (with reference to its shape) < Goth *rukka

Related forms:
rock⋅et⋅like, adjective
Rocket
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rock⋅et

2  [rok-it]
–noun
1. any of various plants belonging to the genus Hesperis, of the mustard family, and related genera. Compare dame's rocket.
2. Also called rocket salad, roquette. arugula.
3. a noxious weed, Barbarea vulgaris, of the U.S., having lobed leaves and clusters of small, yellow flowers.
Origin:
1520–30; < F roquette < It ruchetta ≪ L ērūca kind of herb

a⋅ru⋅gu⋅la

  [uh-roo-guh-luh]
–noun
a Mediterranean plant, Eruca vesicaria sativa, of the mustard family, having pungent leaves used in salads.
Also called rocket, roquette.

Origin:
1965–70; appar. < an Upper It dial. form, akin to Lombard arigola, Venetian rucola < L ērūca name for Eruca sativa (cf. It ruca), with dim. suffix -ola < L -ula -ule; cf. rocket 2

Ri⋅chard

  [ri-shahrd; Fr. ree-shar]
–noun
Mau⋅rice [maw-rees; Fr. moh-rees] , (“Rocket”), 1921–2000, Canadian hockey player.

rocket engine

 
–noun
a reaction engine that produces a thrust due to an exhaust consisting entirely of material, as oxidizer, fuel, and inert matter, that has been carried with the engine in the vehicle it propels, none of the propellant being derived from the medium through which the vehicle moves.
Also called rocket, rocket motor.

Origin:
1930–35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To rocket
a·ru·gu·la   (ə-rōō'gə-lə)   
n.  A Mediterranean plant (Eruca vesicaria subsp. sativa) having flowers with purple-veined, yellowish-white petals and pungent, edible leaves. Also called rocket2, rocket salad, roquette.

[Probably Italian dialectal, from Latin ērūca, cabbage.]
rock·et 1  
n.  

    1. A rocket engine.

    2. A vehicle or device propelled by one or more rocket engines, especially such a vehicle designed to travel through space.

  2. A projectile weapon carrying a warhead that is powered and propelled by rockets.

  3. A projectile firework having a cylindrical shape and a fuse that is lit from the rear.

v.   rock·et·ed, rock·et·ing, rock·ets

v.   intr.

  1. To move swiftly and powerfully, as a rocket

  2. To fly swiftly straight up, as a game bird frightened from cover.

  3. To soar or rise rapidly: The book rocketed to the top of the bestseller list.

v.   tr.

  1. To carry by means of a rocket.

  2. To assault with rockets.


[Italian rocchetta, diminutive of rocca, spindle, distaff, of Germanic origin.]
rock·et 2   (rŏk'ĭt)   
n.  

  1. See arugula.

  2. Any of several plants of the mustard family, especially the dame's rocket and the sea rocket.


[Middle English rokette, from Old French roquette, from Italian rochetta, variant of ruchetta, diminutive of ruca, a kind of cabbage, from Latin ērūca.]
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
Word Origin & History

Richard 
masc. proper name, M.E. Rycharde, from O.Fr. Richard, from O.H.G. Ricohard, from P.Gmc. *rik- "ruler" + *harthu "hard." One of the most popular names introduced by the Normans.

rocket  (1)
"garden plant of the cabbage family," 1530, from M.Fr. roquette, from It. rochetta, dim. of ruca "a kind of cabbage," from L. eruca "colewort," perhaps lit. "hairy caterpillar" (the plant has downy stems) and related to ericus "hedgehog."

rocket  (2)
"projectile," 1611, from It. rocchetto "a rocket," lit. "a bobbin," dim. of rocca "a distaff," so called because of cylindrical shape. The It. word probably is from a Gmc. source (cf. O.H.G. rocko "distaff," O.N. rokkr), from P.Gmc. *rukka-, from PIE base *rug- "to spin." Originally "fireworks rocket," meaning "device propelled by a rocket engine" first recorded 1919; rocket-ship first attested 1927. The verb meaning "to spring like a rocket" is from 1883.
Online Etymology Dictionary, © 2001 Douglas Harper
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Science Dictionary
rocket   (rŏk'ĭt)  Pronunciation Key 
A vehicle or device propelled by one or more rocket engines, especially such a vehicle designed to travel through space.
rocket engine  


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An engine used to produce a jet of hot gases to propel a rocket. The jet is produced by combustion of a fuel with other chemicals stored in the rocket. Since they do not rely on the oxygen in the atmosphere for combustion, rocket engines can operate in space. Compare turbojet.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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