menstrŭo, āre, v. n. and a. [menstruus].
1 Neutr., to have a monthly term, to be menstruant (post-class.): mulier menstruans, Pall. 1, 35, 3.—
II Act., to pollute; trop.: pannus menstruatae justitiae nostrae, polluted , Vulg. Isa. 64, 6; cf. id. Ezech. 18, 6.