p.pr. & ·vb.n. of truss.
2. trussing ·noun the timbers, ·etc., which form a truss, taken collectively.
3. trussing ·noun the act of a hawk, or other bird of prey, in seizing its quarry, and soaring with it into air.
4. trussing ·noun the art of stiffening or bracing a set of timbers, or the like, by putting in struts, ties, ·etc., till it has something of the character of a truss.