captain

noun

1.
an officer holding a rank below a major but above a lieutenant
Derived from:
captainship
2.
the naval officer in command of a military ship
Derived from:
captainship
3.
a policeman in charge of a precinct
Derived from:
captainship
5.
the leader of a group of people
Derived from:
captain
6.
the pilot in charge of an airship
Derived from:
captainship
7.
a dining-room attendant who is in charge of the waiters and the seating of customers