What is the meaning of captain?

noun

• An officer holding a rank below a major but above a lieutenant.
• The naval officer in command of a military ship.
  • synonyms: skipper
• A policeman in charge of a precinct.
  • synonyms: police captain, police chief
• An officer who is licensed to command a merchant ship.
  • synonyms: master, sea captain, skipper
• The leader of a group of people.
  • usage: "a captain of industry"
  • synonyms: chieftain
• The pilot in charge of an airship.
  • synonyms: senior pilot
• A dining-room attendant who is in charge of the waiters and the seating of customers.
  • synonyms: headwaiter, maitre d'hotel, maitre d'

verb

• Be the captain of a sports team. .