Definition of captain:

part of speech: noun

An officer who commands a company of foot, a troop of horse- soldiers, or a ship; a leader or chief; captain- general, the commander- in- chief of an army.

Usage examples:

• How about it, Captain Pauline Lester in "Marjorie Dean High School Freshman".

• All right, I'll remember, Captain Pauline Lester in "Marjorie Dean High School Freshman".

• Captain Franklin stepped back. Charles Weathers Bump in "The Mermaid of Druid Lake and Other Stories".

• When in doubt ask your captain Pauline Lester in "Marjorie Dean High School Freshman".