commodore
Concise Oxford English Dictionary © 2008 Oxford University Press:
commodore /ˈkɒmədɔː/
▶noun a naval rank above captain and below rear admiral, generally given temporarily to an officer commanding a squadron or division of a fleet.
■ the president of a yacht club.
■ the senior captain of a shipping line.
– origin C17: prob. from Du. komandeur, from Fr. commandeur ‘commander’.
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