plural noun

cat·​a·​me·​nia ˌka-tə-ˈmē-nē-ə How to pronounce catamenia (audio)
: menses
catamenial adjective

Word History


New Latin, from Greek katamēnia, from neuter plural of katamēnios monthly, from kata by + mēn month — more at cata-, moon

First Known Use

1750, in the meaning defined above

Time Traveler
The first known use of catamenia was in 1750

Dictionary Entries Near catamenia

Cite this Entry

“Catamenia.” Dictionary, Merriam-Webster, Accessed 22 Mar. 2023.

Medical Definition


noun plural
cata·​me·​nia ˌkat-ə-ˈmē-nē-ə How to pronounce catamenia (audio)
: menses
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Which Came First?

  • baby chick with a brown egg
  • hot take or cold shoulder?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?