p. pr. & vb. n. of Truss
n. The timbers, etc., which form a truss, taken
collectively.
n. 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.
n. The act of a hawk, or other bird of prey, in seizing its
quarry, and soaring with it into air.