navy. 1. A fleet of ships. 2. The military sea force of a country, including its collective ships and its corps of officers and enlisted personnel; esp. (usu. cap.), the division of the U.S. armed services responsible primarily for seagoing forces. • The U.S. Constitution gives Congress the power to establish a navy and make laws governing the naval forces. U.S. Const. art. I, § 8, cl. 13–14. [Cases: Armed Services 4. C.J.S. Armed Services §§ 14, 16–17, 19, 37.]

[Blacks Law 8th]