Definition of menstruate verb from the Oxford Advanced American Dictionary

 

menstruate

 verb
verb
NAmE//ˈmɛnstruˌeɪt//
 
[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