/ Dictionary / Index P provost guard: Meaning and Definition of Find definitions for: pro'vost guard" Pronunciation: (prō'vō), [key] a detachment of soldiers assigned to police duties under the provost marshal. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. provost court provost marshal Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language