orbicularis oris
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English
Etymology
Borrowed from New Latin orbiculāris ōris, clipping of mūsculus orbiculāris ōris (“orbicular muscle of the mouth”).
Pronunciation
- (Received Pronunciation) IPA(key): /ɔːˌbɪk.jʊˌlɑː.ɹɪs ˈɒ.ɹɪs/
- (General American) IPA(key): /ɔɹˌbɪk.jəˌlɛɹ.ɪs ˈɔɹ.ɪs/, /ɔɹˌbɪk.juˌlɛɹ.ɪs ˈɔɹ.ɪs/
Noun
orbicularis oris (plural orbiculares orum)
- (anatomy) 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).
- Hypernym: orbicularis
- Coordinate term: orbicularis oculi
Translations
References
- “orbicularis oris”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “orbicularis oris”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.