na·vy 
/ˈneɪvi/ noun
plural na·vies /ˈneɪvi/ noun 1 [count] : the part of a country's military forces that fights at sea using ships, submarines, airplanes, etc.
▪ A similar submarine is used by several foreign navies. ▪ a career in the navy — usually capitalized when a specific navy is being referred to ▪ the Russian Navy ▪ He plans to join the Navy. 2 [noncount] : navy blue
▪ The shirt comes in black, white, and navy. ▪ a navy sweater
▪ A similar submarine is used by several foreign navies. ▪ a career in the navy — usually capitalized when a specific navy is being referred to ▪ the Russian Navy ▪ He plans to join the Navy.
▪ The shirt comes in black, white, and navy. ▪ a navy sweater
