1. Noun
A chain or range of rocks lying at or near the surface of the water. See Coral reefs, under Coral.
2. Noun
A large vein of auriferous quartz; -- so called in Australia. Hence, any body of rock yielding valuable ore.
3. Verb
That part of a sail which is taken in or let out by means of the reef points, in order to adapt the size of the sail to the force of the wind.
4. Verb
To reduce the extent of (as a sail) by roiling or folding a certain portion of it and making it fast to the yard or spar.
5. Noun
a submerged ridge of rock or coral near the surface of the water
Vocabulary classified under Nature and environment
6. Verb
lower and bring partially inboard; "reef the sailboat's mast"
Vocabulary classified under Nature and environment
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