first sergeant noun
: a noncommissioned officer serving as the chief assistant to the commander of a military unit (as a company or squadron)
: the rank of a first sergeant; specifically : a rank in the army above a sergeant first class and below a sergeant major and in the marine corps above a gunnery sergeant and below a master gunnery sergeant
First Known Use of FIRST SERGEANT
Learn More About FIRST SERGEANT
Seen & Heard
What made you want to look up first sergeant? Please tell us where you read or heard it (including the quote, if possible).