1. To support structurally, of roofs or bridges.
2. To tie the wings and legs of a bird before cooking.

ETYM Old Eng. trusse, French trousse, Old Fren. also tourse; perhaps from Latin tryrsus stalk, stem. Related to Thyrsus, Torso, Trousers, Trousseau.
(Irregular plural: trusses).
1. A device that is worn to hold a hernia in place.
2. An assemblage of beams forming a rigid structure (as a roof truss).