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reef
12 dictionary results for: Reef
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
reef1       [reef] Pronunciation Key
–noun
1.a ridge of rocks or sand, often of coral debris, at or near the surface of the water.
2.Mining. a lode or vein.

[Origin: 1575–85; earlier riff(e) < D rif]
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
reef2       [reef] Pronunciation Key Nautical
–noun
1.a part of a sail that is rolled and tied down to reduce the area exposed to the wind.
–verb (used with object)
2.to shorten (sail) by tying in one or more reefs.
3.to reduce the length of (a topmast, a bowsprit, etc.), as by lowering, sliding inboard, or the like.
4.to pull (old oakum) out of seams, as with a rave hook (often fol. by out).

[Origin: 1350–1400; ME refe (n.) < D reef]
American Heritage Dictionary - Cite This Source - Share This
reef 1       (rēf)  Pronunciation Key 
n.  
  1. A strip or ridge of rocks, sand, or coral that rises to or near the surface of a body of water.
  2. A vein of ore.


[Obsolete Dutch rif, possibly from Old Norse, ridge.]

reef'y adj.
American Heritage Dictionary - Cite This Source - Share This
reef 2       (rēf)  Pronunciation Key 
n.   A portion of a sail rolled and tied down to lessen the area exposed to the wind.

tr.v.   reefed, reef·ing, reefs
  1. To reduce the size of (a sail) by tucking in a part and tying it to or rolling it around a yard.
  2. To shorten (a topmast or bowsprit) by taking part of it in.


[Middle English riff, from Old Norse rif, ridge, reef.]

Online Etymology Dictionary - Cite This Source - Share This
reef  (1)
"ridge underwater," 1584, probably via Du. riffe, from O.N. rif "ridge," lit. "rib" (see rib).

Online Etymology Dictionary - Cite This Source - Share This
reef  (2)
"horizontal section of sail," 1390, from O.N. rif "reef of a sail," probably a transferred use of rif "ridge, rib" (see tib). Cf. Ger. reff, Swed. ref, Norw. riv, Dan. reb, all from the O.N. word. Reefer as a nickname for "midshipman" (1818) is source of the meaning "coat of a nautical cut" (1878).

WordNet - Cite This Source - Share This
reef

noun
1. a submerged ridge of rock or coral near the surface of the water 
2. a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese [syn: Witwatersrand
3. one of several strips across a sail that can be taken in or rolled up to lessen the area of the sail that is exposed to the wind 

verb
1. lower and bring partially inboard; "reef the sailboat's mast" 
2. roll up (a portion of a sail) in order to reduce its area 
3. reduce (a sail) by taking in a reef 

The American Heritage Science Dictionary - Cite This Source - Share This
reef       (rēf)  Pronunciation Key 
A strip or ridge of rocks, sand, or coral that rises to or near the surface of a body of water. See more at coral reef.

U.S. Gazetteer - Cite This Source - Share This

Ocean Reef, FL Zip code(s): 33037

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Reef

Reef\ (r?f), n. [Akin to D. rif, G. riff, Icel. rif, Dan. rev; cf. Icel. rifa rift, rent, fissure, rifa to rive, bear. Cf. Rift, Rive.]

1. A chain or range of rocks lying at or near the surface of the water. See Coral reefs, under Coral.

2. (Mining.) A large vein of auriferous quartz; -- so called in Australia. Hence, any body of rock yielding valuable ore.

Reef builder (Zo["o]l.), any stony coral which contributes material to the formation of coral reefs.

Reef heron (Zo["o]l.), any heron of the genus Demigretta; as, the blue reef heron (D. jugularis) of Australia.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Reef

Reef\, n. [Akin to D. reef, G. reff, Sw. ref; cf. Icel. rif reef, rifa to basten together. Cf. Reeve, v. t., River.] (Naut.) That part of a sail which is taken in or let out by means of the reef points, in order to adapt the size of the sail to the force of the wind.

Note: From the head to the first reef-band, in square sails, is termed the first reef; from this to the next is the second reef; and so on. In fore-and-aft sails, which reef on the foot, the first reef is the lowest part. --Totten.

Close reef, the last reef that can be put in.

Reef band. See Reef-band in the Vocabulary.

Reef knot, the knot which is used in tying reef pointss. See Illust. under Knot.

Reef line, a small rope formerly used to reef the courses by being passed spirally round the yard and through the holes of the reef. --Totten.

Reef points, pieces of small rope passing through the eyelet holes of a reef-band, and used reefing the sail.

Reef tackle, a tackle by which the reef cringles, or rings, of a sail are hauled up to the yard for reefing. --Totten.

To take a reef in, to reduce the size of (a sail) by folding or rolling up a reef, and lashing it to the spar.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Reef

Reef\, v. t. [imp. & p. p. Reefed (r[=e]ft); p. pr. & vb. n. Reefing.] (Naut.) To reduce the extent of (as a sail) by roiling or folding a certain portion of it and making it fast to the yard or spar. --Totten.

To reef the paddles, to move the floats of a paddle wheel toward its center so that they will not dip so deeply.

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