[n] (architecture) a triangular bracket of brick or stone (usually of slight extent)
[n] a framework of beams forming a rigid structure (as a roof truss)
[n] (medical) a bandage consisting of a pad and belt; worn to hold a hernia in place by pressure
[v] support structurally, of roofs or bridges
[v] secure with or as if with ropes; "tie down the prisoners"
[v] tie the wings and legs of a bird before cooking