n. 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.
[Middle English, from Old French navie, from Latin nāvigia, pl. of nāvigium, ship, from nāvigāre, to sail; see NAVIGATE.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.