We found 2 dictionaries that define the word knee braces:

General (2 matching dictionaries)

1. knee braces: Merriam-Webster
2. knee braces: Vocabulary.com

(Note: See knee_brace as well.)

Definitions from WordNet (knee brace) ▸ noun:  a brace worn to strengthen the knee ▸ Also see knee_brace ▸ Words similar to knee braces ▸ Usage examples for knee braces ▸ Idioms related to knee braces ▸ Wikipedia articles (New!) ▸ Words that often appear near knee braces ▸ Rhymes of knee braces ▸ Invented words related to knee braces