menstruation

The Simple English Wikipedia has an article on:

Menstruation

Pronunciation

• (UK) IPA ^(key): /ˌmɛnstrʊˈeɪʃn/
• (US) IPA ^(key): /ˌmɛnstruˈeɪʃ(ə)n/ or /-strəˈweɪ-/ or /ˌmɛnˈstreɪʃ(ə)n/

• Audio (US; longer pronunciation)

  (file)

• Audio (US; short pronunciation)

  (file)

• Hyphenation: men‧stru‧a‧tion

Noun

Singular menstruation

Plural menstruations

1. Menstruation is the flow of blood and fluid out through the vagina.
   • Synonym: menses

   She had her first menstruation at age 13.

Related words

• menstruate
• menstrual