master sergeant: Meaning and Definition of

mas'ter ser'geant

Pronunciation: [key]
  1. Army, Air Force, Marine Corps. a noncommissioned officer ranking next to the highest noncommissioned officer.
  2. a noncommissioned officer of one of the three top enlisted grades.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.