What is Captain ?
Captain is (noun) 1. a person in charge of a team the England captain The two captains shook hands at the beginning of the match. 2. a person in charge of a ship or of an aircraft Go and see the captain if you want to use the radio phone. Captain Smith is flying the plane. 3. a rank in the army above a lieutenant and below a major A lieutenant has to report to his captain. (NOTE: also used as a title before a surname; often shortened to Capt.)(verb) to be the captain of a team He has captained England three times.
source: Easier English, Student Dictionary Upper Intermediate Level