·noun The lowest deck of a vessel, ·esp. of a ship of war, consisting of a platform laid over the beams in the hold, on which the cables are coiled.
The lowest deck, formerly called "over-lop," consisting of a platform laid over the beams in the hol...
The Sailor's Word-Book
, or hold-beams. Those which support the orlop-deck, but are chiefly intended to fortify the hold....