The term 'LEFT ON A LINER' can be broken down into two crossword solutions: PORT (4 letters) and APORT (5 letters). PORT is a noun meaning a place on the coast at which ships can dock and load or unload cargo. It is also used to refer to a town or city with such a harbor. APORT is an adverb meaning towards or on the side of a ship that is to the left when facing the bow. It is used to describe the direction in which something is moved or placed.