Medical Dictionary

orbicularis oris

play
noun \-ˈōr-əs\

Medical Definition of orbicularis oris

plural

orbiculares oris

  1. :  a muscle made up of several layers of fibers passing in different directions that encircles the mouth and controls most movements of the lips (as compressing, closing, or pursing movements)

Illustration of orbicularis oris


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

a lively discussion

Get Word of the Day daily email!

Love words? Need even more definitions?

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