# orthosis

> English word · Noun

## Definitions
1. A type of brace which either prevents or assists movement of a limb or the spine.

## Etymology
From Ancient Greek ὄρθωσις (órthōsis, “making straight”). By surface analysis, ortho- + -osis.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/orthosis