Definition of zygomatic muscle
: a slender band of muscle on either side of the face arising from the zygomatic bone and inserting into the orbicularis oris and skin at the corner of the mouth
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!
Seen and Heard
What made you want to look up zygomatic muscle? Please tell us where you read or heard it (including the quote, if possible).