SINCE 1828
commander in chief
noun phraseDefinition of commander in chief
: one who holds the supreme command of an armed force
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From the Editors at Merriam-Webster
10 Word Histories from the U.S. Congress
10 Word Histories from the U.S. Congress
Whips, beans, hoppers, and more
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The first known use of commander in chief was in 1654
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