reefs

Noun

• a submerged ridge of rock or coral near the surface of the water
• a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese
• 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
• plural of reef

Verb

• lower and bring partially inboard
• roll up (a portion of a sail) in order to reduce its area
• reduce (a sail) by taking in a reef
• third-person singular simple present indicative of reef

Synonyms

Rand, reef, Reef, Witwatersrand