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c.1200, "collection of things bound together," from Old French trousse, torse, of unknown origin, perhaps from Vulgar Latin *torciare "to twist." Meaning "surgical appliance to support a rupture, etc." first attested 1540s. Sense of "framework for supporting a roof or bridge" is first recorded 1650s.
c.1200, "to load, load up," from Anglo-French trusser, Old French trusser "to load, pack, fasten" (11c.), from Old French trousse (see truss (n.)). Related: Trussed; trussing.
A supportive device, usually consisting of a pad with a belt, worn to prevent enlargement of a hernia or the return of a reduced hernia. v. trussed, truss·ing, truss·es
To support or brace with a truss.