noun plural.
The material, consisting of blood and cellular debris from the uterus, discharged during menstruation.
The Century Dictionary and Cyclopedia
Catamenial or monthly discharges; a periodic constitutional flow of blood or bloody fluid from the mucous coat of the uterus of a female, as a woman, monkey, bitch, or other mammal.
the GNU version of the Collaborative International Dictionary of English
noun plural.
The catamenial or menstrual discharge, a periodic flow of blood or bloody fluid from the uterus or female generative organs.
noun.
The discharge of blood mixed with pieces of cellulartissue from the uterus of a female out through her vagina, which occurs roughly every month; menstrual flow.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
Word Usage
"Coition during the menses is forbidden by all Eastern faiths under the severest penalties."