WordReference Random House Learner's Dictionary of American English © 2025
ˈmas•ter ˈser•geant, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Militarya noncommissioned officer in the armed forces ranking above certain sergeants.
mas′ter ser′geant,
- MilitaryArmy, Air Force, Marine Corps. a noncommissioned officer ranking next to the highest noncommissioned officer.
- Military[U.S. Air Force.]a noncommissioned officer of one of the three top enlisted grades.
- 1930–35
'master sergeant' also found in these entries (note: many are not synonyms or translations):