The Collaborative International Dictionary
Menstruous
Menstruous \Men"stru*ous\, a. [L. menstruus, fr. mensis month. Cf. Menstruum.]
Having the monthly flow or discharge; menstruating.
Of or pertaining to the monthly flow; catamenial.
Douglas Harper's Etymology Dictionary
menstruous
1530s, from French menstrueus, from Latin *menstruosus, from menstruum, from menstruus (adj.) "monthly," from mensis "month" (see moon (n.)).
Wiktionary
menstruous
a. 1 Of or pertaining to menstruation; menstrual. 2 (context of a female English) Currently undergoing menstruation. 3 (context obsolete English) monthly.
Usage examples of "menstruous".
It may be so, When as the work is done, the stone is made, This heat of his may turn into a zeal, And stand up for the beauteous discipline, Against the menstruous cloth and rag of Rome.