Definition of Reef
Noun: reef reef
- A submerged ridge of rock or coral near the surface of the water
- 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
- Lower and bring partially inboard
"reef the sailing boat's mast"
- Roll up (a portion of a sail) in order to reduce its area
- Reduce (a sail) by taking in a reef
- A rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese
- Witwatersrand, Rand
Anagrams containing the word reef