Lewis & Short

Orchĭus, a, m. and f., the name of a Roman gens.
So, C. Orchius, a tribune of the people, 572 A.U.C., by whom the Lex Orchia was proposed, Macr. S. 3, 17, 2; Schol. Bob. ad Cic. Sest. p. 310, 32 Bait.