noun

• A store primarily serving persons in an institution, most often soldiers or prisoners.
• An account which a prisoner uses to buy provisions, or the balance of that account.
• A cafeteria at a movie studio.
• 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 who supplies provisions to an army.
• (Scotland, law) The judge in a commissary court.
• A higher-ranking police officer.