6 entries found for reef.
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reef[1,noun] reef[2,verb] reef[3,noun] barrier reef coral reef Great Barrier Reef

Main Entry: ¹reef
Pronunciation: rf
Function: noun
Etymology: Middle English riff "reef of a sail"; of Norse origin
1 : a part of a sail taken in or let out in regulating size
2 : the reduction in sail area made by reefing