1. (noun)
reef
- a submerged ridge of rock or coral near the surface of the water
2. (noun)
Witwatersrand, Rand, Reef
- a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese
3. (noun)
reef
- 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
4. (verb)
reef
- lower and bring partially inboard
5. (verb)
reef
- roll up (a portion of a sail) in order to reduce its area
6. (verb)
reef
- reduce (a sail) by taking in a reef
Synonyms of 'reef'
