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menstruate

men·stru·ate [ ménstroo àyt ] (past and past participle men·stru·at·ed, present participle men·stru·at·ing, 3rd person present singular men·stru·ates)


intransitive verb 
Definition:
 
discharge menstrual blood: to discharge blood and other matter from the womb as part of the menstrual cycle

[Early 19th century. < late Latin menstruat-, past participle of menstruare< Latin menstruus "monthly, menstrual" < mensis "month"]
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