American English

Definition of menstruate verb from the Oxford Advanced American Dictionary



[intransitive] (formal)Verb Forms present simple I / you / we / they menstruate
he / she / it menstruates
past simple menstruated
-ing form menstruating
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when a woman menstruates, there is a flow of blood from her womb, usually once a month
See the Oxford Advanced Learner's Dictionary entry: menstruate