Definition of "menstruous" [men•stru•ous]

• Variant of menstrual. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "If a woman begins to menstruate on the same day of the month for three consecutive months, there is a presumption that that is the day when she begins her period and all the detailed regulations concerning a menstruous woman begin at that date."
• "Noticing the malignity of Egyptian women he declares (p. 628, English trans.) that they prepare a draught containing a quant.suff. of menstruous discharge at certain phases of the moon, which produces symptoms of scurvy; the gums decay, the teeth, beard and hair fall off, the body dries, the limbs lose strength and death follows within a year."
• "Vega reports of his knowledge, that he hath known melancholy caused from putrefied blood in those seed-veins and womb; [2429] Arculanus, from that menstruous blood turned into melancholy, and seed too long detained (as I have already declared) by putrefaction or adustion."