- 1 the person in charge of a ship or commercial aircraft Captain Cook The captain gave the order to abandon ship. Captain Jones and her copilot
- 2 an officer of fairly high rank in the navy, the army, and the U.S. air force Captain Lance Price
- 3 the leader of a group of people, especially a sports team She was captain of the hockey team at school. He has just been made team captain.
- 4an officer of high rank in a U.S. police or fire department
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