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reef crab: [noun] a small Australian crab (Ozius truncatus) that is a great nuisance in reef netting because of its entering the nets in great numbers and cutting them to escape.
reef cringle: [noun] one of the cringles on the leech of a sail at the end of a reef band through which a rope passes binding the edge of a reefed sail to the yard or spar.
9 de set. de 2017 · The meaning of REEF KNOT is a square knot used in reefing a sail.
AMP: [noun] a nucleotide C10H12N5O3H2PO4 composed of adenosine and one phosphate group that is reversibly convertible to ADP and ATP in metabolic reactions — called also#R##N# adenosine monophosphate, adenylic acid; compare cyclic amp.
platform reef: [noun] a flat tabula reef more extensive than a patch reef.
The meaning of REEF is a part of a sail taken in or let out in regulating size. a part of a sail taken in or let out in regulating size; reduction in sail area by reefing… See the full definition
reef tackle: [noun] a tackle by which the reef cringles of a square sail are hauled up and out to the yardarm to give slack for reefing.
