Commander in chief Meaning, Definition & Usage

  1. noun the officer who holds the supreme command
    generalissimo.
    • in the U.S. the president is the commander in chief

WordNet


Definitions
  1. the military title of the officer who has supreme command of the land or naval forces or the united forces of a nation or state; a generalissimo. The President is commander in chief of the army and navy of the United States.

Webster 1913