ORLOP Meaning of ORLOP in English [ 'ɔ:lɒp ](also ~ deck ) ■ noun the lowest deck of a wooden sailing ship with three or more decks.OriginME: from Du. overloop 'covering', from overlopen 'run over'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004