the approximately monthly discharge of blood and cellular debris from the uterus by nonpregnant women from puberty to the menopause
WordReference Random House Learner's Dictionary of American English © 2025
men•stru•a•tion /ˌmɛnstruˈeɪʃən, -ˈstreɪ-/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2025- the periodic flow of blood and tissue from a woman's uterus.
men•stru•a•tion
(men′stro̅o̅ ā′shən, -strā′-),USA pronunciation n.
- the periodic discharge of blood and mucosal tissue from the uterus, occurring approximately monthly from puberty to menopause in nonpregnant women and females of other primate species.
- the period of menstruating.
- menstruate + -ion 1770–80
Collins Concise English Dictionary © HarperCollins Publishers::
'menstruation' also found in these entries (note: many are not synonyms or translations):
amenorrhoea
- cramp
- curse
- dysmenorrhea
- dysmenorrhoea
- fibroid
- flow
- follicular phase
- irregular
- menacme
- menarche
- meno
- meno-
- menopause
- menorrhagia
- menorrhoea
- menoschesis
- menostaxis
- menses
- menstrual
- menstruate
- menstruous
- oligomenorrhea
- period
- phantom pregnancy
- progestational
- safe period
- sanitary napkin
- sanitary towel
- show
- toxic shock syndrome