noun U.S. Army.
the senior noncommissioned officer of a company, squadron, etc., responsible for personnel and administration.
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Origin of first sergeant
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for first sergeant
Historical Examples of first sergeant
"Every office and ship and retail yard could be run by a first-sergeant," Skinner complained.The Go-Getter
Peter B. Kyne