orbicularis oris

About 0.12 uses per million words.

Meaning

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

Similar words

orbicularis orbicularis oculi levator anguli oris labium superius oris labium inferius oris occlusor zygomaticus major distortor oris orbitalis risorius