a. [ L. menstruans, p. pr. of menstruare to have a monthly term, fr. menstruus. See Menstruous. ] Subject to monthly flowing or menses. [ 1913 Webster ]
a. [ L. menstrualis: cf. F. menstruel. See Menstruous. ]
a. [ L. menstrualis: cf. F. menstruel. See Menstruous. ]