captain

(noun) an officer holding a rank below a major but above a lieutenant.

(noun) the naval officer in command of a military ship. Synonyms: skipper.

(noun) a policeman in charge of a precinct. Synonyms: police captain, police chief.

(noun) an officer who is licensed to command a merchant ship. Synonyms: master, sea captain, skipper.

(noun) the leader of a group of people. Synonyms: chieftain. Example: "A captain of industry."

(noun) the pilot in charge of an airship. Synonyms: senior pilot.

(noun) a dining-room attendant who is in charge of the waiters and the seating of customers. Synonyms: headwaiter, maitre d'hotel, maitre d'.

(verb) be the captain of a sports team.