orthesis

noun

or·​the·​sis ȯr-ˈthē-səs How to pronounce orthesis (audio)
plural ortheses -ˌsēz How to pronounce orthesis (audio)
: a device (as a brace) used in orthopedics

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Cite this Entry

“Orthesis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/orthesis. Accessed 3 Nov. 2025.

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