risus sardonicus

noun
ri·​sus sar·​do·​ni·​cus | \ ˈrī-səs-ˌsär-ˈdän-i-kəs How to pronounce risus sardonicus (audio) , ˈrē- How to pronounce risus sardonicus (audio) \

Medical Definition of risus sardonicus

: a facial expression characterized by raised eyebrows and grinning distortion of the face resulting from spasm of facial muscles especially in tetanus

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Cite this Entry

“Risus sardonicus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/risus%20sardonicus. Accessed 22 Oct. 2020.

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