n. In a general sense, one to whom some charge, duty, or office is committed by a superior power; one who is sent or delegated to execute some office or duty in the place, or as the representative, of his superior; a commissioner.n. Eccles., an officer who by delegation from the bishop exercises spiritual jurisdiction in remote parts of a diocese, or is intrusted with the performance of the bishop's duties in his absence.n. In Scots law, the judge in a commissary-court; in present practice, the sheriff of each county acting in the commissary-court. See commissary-court.n. Milit., a name given to officers or officials of various grades, especially to officers of the commissariat department.n. [F. commissaire de police.] A superior officer of police in France.n. A general store for supplying workmen in any large industry.