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jack truss

American  

noun

  1. any of a number of trapezoidal trusses for supporting those areas of a hip roof not beneath the peak or ridge, parallel to the truss or trusses that meet at the peak or ridge.

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.