(truss)
121pennsylvania truss — noun Usage: usually capitalized P : a truss developed from the Pratt truss especially for bridges with long spans and having subdivided panels, curved top chords for through trusses, and curved bottom chords for deck spans …
122pony truss — noun : a truss (as in bridge building) so low that overhead bracing cannot be used * * * a through bridge truss having its deck between the top and bottom chords and having no top lateral bracing. [1930 35] …
123scissors truss — noun : a roofing truss in which the braces for the rafters cross like the members of a pair of scissors * * * a roof truss having tension members extending from the foot of each principal rafter to a point on the upper half of its opposite member …
124crescent truss — a roof truss having upper and lower chords curving upward from a common point at each side. Also called camelback truss …
125K-truss — /kay trus /, n. Archit. a truss having in each panel two diagonals running from the ends of one post to the center of the adjacent post, the arrangement being symmetrical about the center of the truss …
126roof truss — roof truss, a truss in the framework of a roof, as the triangular one formed by two principal rafters and a tie beam …
127un|truss — «uhn TRUHS», transitive verb. 1. to unfasten; loose from a truss. 2. = undress. (Cf. ↑undress) …
128Triple Whipple Truss — The Triple Whipple Truss is a style of bridge design that was used in the 1800s. The only remaining example of this style in the United States is the Laughery Creek Bridge in Indiana …
