noun / verb
captain
KAP-tin/ˈkæptɪn/
A person appointed to command a vessel or organized group.
The captain directs a crew member from the ship's wheel.

Etymology
The ancestor meant 'chief' and was formed from the Latin word for 'head.' A captain stands figuratively at the head of a crew, team, or other group.
In context
all commanding officers of commissioned Navy warships and submarines are traditionally referred to as Captain regardless of actual rank
More examples
- She captains the school's basketball team.
- The fire captain assigns each crew a task.
- He served as a captain in the army.
Forms
captain · captains · captained · captaining