Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: of, relating to, or affecting the peritoneum
Resources for peritoneal
Comments on peritoneal
What made you want to look up peritoneal? Please tell us where you read or heard it (including the quote, if possible).
the setting in which something occurs
Get Word of the Day daily email!
Musical Words Quiz
Test your knowledge - and maybe learn something along the way.
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
That dessert might kill you
How a folk song became a term of derision.
Sorry, not sorry
The participle made famous by Elvis
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
A quiz in common time.
SCRABBLE® fans, sharpen your skills!