The term 'SHIP'S DECK' refers to the uppermost surface of a ship, which is typically used for leisure activities such as sunbathing or sightseeing. The two crossword solutions for this term are 'POOP' (4 letters) and 'ORLOP' (5 letters). The term 'POOP' is derived from the Latin word 'puppis, ' which means stern, and is used to refer to the aft part of the deck. The term 'ORLOP' is derived from the Dutch word 'overloop, ' which means upper deck, and is used to refer to the forward part of the deck.