Jack truss

Also found in: Encyclopedia.
(Arch.) in a hip roof, a minor truss used where the roof has not its full section.

See also: Jack

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
Mentioned in ?
References in periodicals archive ?
When the jack trusses - steel beams connecting the two main east and west trusses in the roof w were supposed to be installed recently, their length was off by several inches, contractors say.
Framers pull the girder hip-trusses out of the pile, nail truss hangers onto them, and then install the hip jack trusses - including their lateral bracing.