What does "commodore" mean?

Commodore: (Brititsh Navy) A captain commanding a squadron, or a division of a fleet, or having the temporary rank of rear admiral.

Additional senses

  1. 2.A title given courtesy to the senior captain of a line of merchant vessels, and also to the chief officer of a yachting or rowing club.
  2. 3.A familiar for the flagchip, or for the principal vessel of a squadron or fleet.

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