măgistrātĭo, ōnis, f. [magistro],
I instruction, schooling (post-class.): quae magistratione discuntur, Ap. Dogm. Plat. 2, p. 15, 15 (al. magistrā ratione).—
II Transf., concr., a school : in publicis magistrationibus, Cod. Th. 14, 9, 3.