Synonyms and Antonyms for reef

1. reef (n.)

a submerged ridge of rock or coral near the surface of the water

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2. reef (v.)

roll up (a portion of a sail) in order to reduce its area

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3. reef (v.)

reduce (a sail) by taking in a reef

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4. Reef (n.)

a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese

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5. reef (v.)

lower and bring partially inboard

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6. reef (n.)

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

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