a senior noncommissioned officer in the US Army, Air Force, and Marine Corps and certain other military forces, ranking immediately below the most senior noncommissioned rank
master sergeant in American English
US
US Military
a noncommissioned officer of high rank; in the Army, the rank just above sergeant first class; in the Air Force, the rank just above technical sergeant; in the Marine Corps, the rank just above gunnery sergeant
Examples of 'master sergeant' in a sentence
master sergeant
The chief master sergeant turned to Furness and said, `You're senior officer on board, Captain.