captain · noun C /ˈkæp.tən/
captain (SPORTS)
B1 the leader of a sports team
Dictionary example:
It's unusual to have a goalkeeper as the team captain.
Learner example:
Now I am the captain of the football team. (Preliminary English Test; B1; German)
captain (SHIP/AIRCRAFT)
B2 the person in charge of a ship or an aircraft
Dictionary example:
This is your captain speaking. We expect to be landing at London Heathrow in an hour.
Learner example:
I suggest you leave at 8 a.m., because it tends to less crowded then, according to the captain of the ship. (First Certificate in English; B2; Dutch)