I.the office of a president, chief, director, superintendent, etc. (class.).
A. In gen.: “dictaturā ac magisterio equitum honorata familia,” Suet. Tib. 3: “morum,” i. e. the censorship, Cic. Prov. Cons. 19, 46: me magisteria delectant a majoribus instituta (sc. conviviorum), the custom of having a master or president at feasts, id. Sen. 14, 46: “collegii,” Suet. Dom. 4: “sacerdotii,” id. Calig. 22: “pedestre,” the office of a commander of infantry, Aur. Vict. Caes. 42.—Transf., of dogs: inter se exercent etiam magisteria, the post of leader (in hunting), Plin. 8, 40, 61, § 148.—
B. In partic., the office of tutor or instructor of youth, tutorship, guardianship (very rare): “jam excessit mi aetas ex magisterio tuo,” I have now outgrown your tutorship, Plaut. Bacch. 1, 2, 44.—