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.
Phrases and idioms:
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.
Etymology: ME, = fleet f. OF navie ship, fleet f. Rmc & pop.L navia ship f. L navis
Useful english dictionary. 2012.