释义 |
WordReference Random House Learner's Dictionary of American English © 2024reef1 /rif/USA pronunciation n. [countable]- a ridge or bank of rocks or sand, often of coral debris, at or near the surface of the water.
WordReference Random House Unabridged Dictionary of American English © 2024reef1 (rēf ),USA pronunciation n. - a ridge of rocks or sand, often of coral debris, at or near the surface of the water.
- Mininga lode or vein.
- Dutch rif
- earlier riff(e) 1575–85
reef2 (rēf ),USA pronunciation [Naut.]n. - Nautical, Naval Termsa part of a sail that is rolled and tied down to reduce the area exposed to the wind.
v.t. - Nautical, Naval Termsto shorten (sail) by tying in one or more reefs.
- Nautical, Naval Termsto reduce the length of (a topmast, a bowsprit, etc.), as by lowering, sliding inboard, or the like.
- Nautical, Naval Termsto pull (old oakum) out of seams, as with a rave hook (often fol. by out).
- Dutch reef
- Middle English refe (noun, nominal) 1350–1400
Collins Concise English Dictionary © HarperCollins Publishers:: reef /riːf/ n - a ridge of rock, sand, coral, etc, the top of which lies close to the surface of the sea
- a vein of ore, esp one of gold-bearing quartz
Etymology: 16th Century: from Middle Dutch ref, from Old Norse rif rib1, reef² reef /riːf/ n - the part gathered in when sail area is reduced, as in a high wind
vb - to reduce the area of (sail) by taking in a reef
- (transitive) to shorten or bring inboard (a spar)
Etymology: 14th Century: from Middle Dutch rif; related to Old Norse rif reef, rib1, German reffen to reef; see reef1 Collins Concise English Dictionary © HarperCollins Publishers:: Reef /riːf/ n the Reef ⇒ - another name for the Great Barrier Reef
- another name for the Witwatersrand
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