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[Greek katamēnia, from neuter pl. of katamēnios, monthly : kata-, according to, per; see cata- + mēn, month; see mē- in Indo-European roots.]
(Physiology) physiol another word for menses
[C18: from New Latin, from Greek katamēnia menses]
n. (used with a sing. or pl. v.)
the menstrual flow.
[1590–1600; < Latin mēnsēs, pl. of mēnsis month]
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|Noun||1.||catamenia - the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause; "the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped"--Hippocrates; "the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females"--Aristotle|
expelling, discharge, emission - any of several bodily processes by which substances go out of the body; "the discharge of pus"
hypermenorrhea, menorrhagia - abnormally heavy or prolonged menstruation; can be a symptom of uterine tumors and can lead to anemia if prolonged
oligomenorrhea - abnormally light or infrequent menstruation