Definitions
1.NounA chief or leader.
2.NounThe person lawfully in command of a ship or other vessel."The captain is the last man to leave a sinking ship."
3.NounAn army officer with a rank between the most senior grade of lieutenant and major.
4.NounA naval officer with a rank between commander and commodore.
5.NounA commissioned officer in the United States Navy, Coast Guard, NOAA Corps, or PHS Corps of a grade superior to a commander and junior to a rear admiral (lower half). A captain is equal in grade or rank to a United States Army, Marine Corps, or Air Force colonel.
6.NounA rank qualifying an airline pilot to act as pilot in command of a two-pilot flight crew.
7.NounOne of the athletes on a sports team who is designated to make decisions, and is allowed to speak for his team with a referee or official.
8.NounThe leader of a group of workers."John Henry said to the captain, "A man ain't nothing but a man.""
9.NounThe head boy of a school.
10.NounA maître d', a headwaiter.
11.NounAn honorific title given to a prominent person. See colonel.
12.VerbTo act as captain
13.VerbTo exercise command of a ship, aircraft or sports team.