clausūra or clūsūra, ae, f. [claudo]. *
I (Cf. claustra, I. A.) A lock , bar , bolt , Inscr. Orell. 2510.—
II (Cf. claustra, II. B.) A castle , fort (late Lat.), Cod. Just. 1, 27, 2, § 4; Cassiod. Var. 2, 5.