orthosis

noun
or·​tho·​sis | \ ȯr-ˈthō-səs How to pronounce orthosis (audio) \
plural orthoses\ ȯr-​ˈthō-​ˌsēz How to pronounce orthosis (audio) \

Definition of orthosis

: an external medical device (such as a brace or splint) for supporting, immobilizing, or treating muscles, joints, or skeletal parts which are weak, ineffective, deformed, or injured a lower extremity orthosis spinal orthoses — see orthotic entry 2

Examples of orthosis in a Sentence

Recent Examples on the Web There are a few different reasons why your child’s pediatrician might recommend helmet-molding therapy (sometimes referred to as cranial orthosis). Korin Miller, SELF, 4 Dec. 2018 The orthosis had to allow upward movement of the ankle while preventing patients from pointing or rising up on their toes. Kelly Mcbride, Cincinnati.com, 15 Sep. 2017 Unfortunately, Smith’s injury timeline is approaching a year-and-a-half, and his continued use of an ankle foot orthosis (AFO) brace indicates that may be a permanent need. Profootballdoc, sandiegouniontribune.com, 9 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'orthosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of orthosis

1958, in the meaning defined above

History and Etymology for orthosis

New Latin, from Greek orthōsis straightening, from orthoun to straighten, from orthos

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Time Traveler for orthosis

Time Traveler

The first known use of orthosis was in 1958

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Dictionary Entries Near orthosis

orthosilicic acid

orthosis

orthosite

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Statistics for orthosis

Last Updated

4 Oct 2021

Cite this Entry

“Orthosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orthosis. Accessed 28 Oct. 2021.

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More Definitions for orthosis

orthosis

noun
or·​tho·​sis | \ ȯr-ˈthō-səs How to pronounce orthosis (audio) \
plural orthoses\ -​ˌsēz How to pronounce orthosis (audio) \

Medical Definition of orthosis

: an external medical device (such as a brace or splint) for supporting, immobilizing, or treating muscles, joints, or skeletal parts which are weak, ineffective, deformed, or injured an upper extremity orthosis spinal orthoses — see orthotic

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