captain

Dictionary definition · captain

an officer holding a rank below a major but above a lieutenant
the naval officer in command of a military ship
a policeman in charge of a precinct
an officer who is licensed to command a merchant ship
the leader of a group of people"a captain of industry"
the pilot in charge of an airship
a dining-room attendant who is in charge of the waiters and the seating of customers

Source: Open English WordNet (CC BY 4.0).