noun com·plu·vi·um \kəmˈplüvēəm, (ˈ)käm¦p-\

Definition of compluvium



  1. :  a square opening in the roof of the ancient Roman atrium toward which the roof sloped and through which the rain fell into the impluvium

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of compluvium

Latin, from compluere to flow together, from com- + pluere to rain — more at flow

Seen and Heard

What made you want to look up compluvium? Please tell us where you read or heard it (including the quote, if possible).


to cast off or become cast off

Get Word of the Day daily email!