master sergeant
noun(master sergeant)
a noncommissioned officer ranking in the army above a sergeant first class and below a staff sergeant major, in the air force above a technical sergeant and below a senior master sergeant, and in the marine corps above a gunnery sergeant and below a master gunnery sergeant
master sergeant
noun(master sergeant)
a noncommissioned officer in the air force ranking above a senior master sergeant
master sergeant
noun phrase(master sergeant)
the ranking noncommissioned officer in the air force serving as adviser to the chief of staff
master sergeant
noun(master sergeant)
a noncommissioned officer in the marine corps ranking above a master sergeant
master sergeant
noun(master sergeant)
a noncommissioned officer in the air force ranking above a master sergeant and below a chief master sergeant