Inflected forms: pl. na·vies 1. All of a nation's warships. 2. often Navy A nation's entire military organization for sea warfare and defense, including vessels, personnel, and shore establishments. 3. A group of ships; a fleet. 4. Navy blue.
ETYMOLOGY:
Middle English, from Old French navie, from Latin nvigia, pl. of nvigium, ship, from nvigre, to sail. See navigate.