Definition of "navy" in English

noun

1. (countable) A country's entire maritime military force, including ships and personnel.

   • People who get seasick easily shouldn't join the navy.

2. (countable) A governmental department in charge of a country's maritime military force.

3. (archaic, countable) Any fleet of maritime vessels, and especially the entire fleet of any particular nationality, including vessels that are commercial, military, or both.

4. (countable and uncountable) A dark blue colour, usually called navy blue.

adjective

1. Having the dark blue colour of navy blue.

2. (military) Belonging to the navy; typical of the navy.