Real Dictionary

truss
verb: If you truss a bird such as a chicken, you prepare it for cooking by tying its legs and wings.
verb: To truss someone means to tie them up very tightly so that they cannot move.

truss in American English
a bundle or pack; specif., in England, a bundle of hay in any of various unit weights
to tie, bind, or bundle
noun: any of various structural frames based on the geometric rigidity of the triangle and composed of straight members subject only to longitudinal compression, tension, or both: functions as a beam or cantilever to support bridges, roofs, etc
transitive verb: to tie, bind, or fasten

truss in British English
to tie, bind, or bundle
noun: a structural framework of wood or metal, esp one arranged in triangles, used to support a roof, bridge, etc

truss in Mechanical Engineering
noun: A truss is a structure consisting of parts that are either in compression or in tension.