1.an officer holding a rank below a major but above a lieutenant
2.the naval officer in command of a military ship
3.a policeman in charge of a precinct
4.an officer who is licensed to command a merchant ship
5.the leader of a group of people;
a captain of industry
6.the pilot ins charge of an airship
7.a diningroom attendant who is in charge of the waiters and the seating of customers
1.be the captain of a sports team