Or"lop (?), n. [D. overloop the upper deck, lit., a running over or overflowing, fr. overloopen to run over. See Over, and Leap, and cf. Overloop.] Naut.
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.
© Webster 1913.