provost : Idioms & Phrases
provost court
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noun a military court for trying people charged with minor offenses in an occupied area
WordNet
provost guard
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noun a detachment under the command of a provost marshall
WordNet
Provost marshal
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noun the supervisor of the military police
WordNet
(a) (Mil.) An officer appointed in every army, in the field, to secure the prisoners confined on charges of a general nature. He also performs such other duties pertaining to police and discipline as the regulations of the service or the commander's orders impose upon him.(b) (Nav.) An officer who has charge of prisoners on trial by court-martial, serves notices to witnesses, etc.