n. (pl. -ies) 1 (often the Navy) a the whole body of a State's ships of war, including crews, maintenance systems, etc. b the officers and men of a navy. 2 (in full navy blue) a dark-blue colour as used in naval uniform. 3 poet. a fleet of ships. Navy Department US the government department in charge of the navy. Navy List Brit. an official list containing the names of all naval officers etc. navy yard US a government shipyard with civilian labour.
[ ME, = fleet f. OF navie ship, fleet f. Rmc & pop.L navia ship f. L navis ]