Of or pertaining to the sea; characteristic of the sea; existing in or formed by the sea: as, a marine picture or view; the marine fauna and flora; marine deposits left by ancient seas; marine tides.Relating to or connected with the sea; used or adapted for use at sea; acting or operating at sea: as, a marine chart; a marine league; a marine engine; marine forces.Relating to navigation or shipping; maritime; nautical; naval.In zoology, technically, inhabiting the high seas; oceanic; pelagic: distinguished from maritime or littoral.n. The sea-shore.n. Shipping in general; the maritime interest as represented by ships; sea-going vessels considered collectively, either in the aggregate or as regards nationality or class: as, the mercantile marine of a country; the naval marine.n. In France, specifically, the naval establishment; the national navy and its adjuncts: as, the minister of marine, or of the marine.n. A soldier who serves on board of a man-of-war; one of a body of troops enlisted to do military service on board of ships or at dockyards.n. An empty bottle. See the quotation.n. In painting, a sea-piece; a marine view.In heraldry, having the lower part of the body like the tail of a fish: said of any beast. Compare sea-lion.