- One to whom is committed some charge, duty, or office,
by a superior power; a commissioner. - An officer of the bishop, who exercises ecclesiastical
jurisdiction in parts of the diocese at a distance from the residence
of the bishop. - An officer having charge of a special service; as, the
commissary of musters. - An officer whose business is to provide food for a body
of troops or a military post; -- officially called commissary of
subsistence.