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knee brace

American  

noun

Building Trades.

  1. a diagonal member for bracing the angle between two joined members, as a stud or column and a joist or rafter, being joined to each partway along its length.

Etymology

Origin of knee brace

First recorded in 1910–15

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.