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sergeant major

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noun
U.S. Army, Air Force, and Marine Corps. a noncommissioned officer serving as chief administrative assistant in a unit headquarters.
U.S. Marine Corps. a noncommissioned officer ranking above a first sergeant.
a small damselfish, Abudefduf saxatilis, inhabiting warm Atlantic waters, having vertical black stripes on each side.
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Origin of sergeant major

First recorded in 1565–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use sergeant major in a sentence

British Dictionary definitions for sergeant major

sergeant major

noun
a noncommissioned officer of the highest rank or having specific administrative tasks in branches of the armed forces of various countries
a large damselfish, Abudefduf saxatilis, having a bluish-grey body marked with black stripes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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