To exercise command of a ship, aircraft or sports team.
To act as captain
An honorific title given to a prominent person. See colonel.
The head boy of a school.
A maître d', a headwaiter.
A chief or leader.
An army officer with a rank between the most senior grade of lieutenant and major.
A naval officer with a rank between commander and commodore.
The person lawfully in command of a ship or other vessel.
One 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.
A 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.
The leader of a group of workers.
To strengthen a part one’s body by exercise.
To make sense of.
To earn a wage working away from one's farm.
To bring about or cause to happen by work or effort.
To succeed; to result in a satisfactory situation.
To conclude with the correct solution.
To remove all the mineral that can be profitably exploited.
To smooth or perfect.
To exercise, especially by lifting weights.
Used other than figuratively or idiomatically: see work, out.
To calculate.