REEF IN


Meaning of REEF IN in English

reef 2 BrE AmE ( also reef in ) verb [transitive] technical

[ Date: 1600-1700 ; Origin: reef 'part of a sail tied up' (14-21 centuries) , from Old Norse rif ]

to tie up part of a sail in order to make it smaller

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.