/ Dictionary / Index T technical sergeant: Meaning and Definition of Find definitions for: tech'nical ser'geant Pronunciation: [key] — U.S. Air Force. U.S. Air Force. a noncommissioned officer ranking below a master sergeant and above a staff sergeant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. technical knockout technician Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language