trussing

noun

1. (architecture, engineering) The timbers, etc., that form a truss.

2. The art of stiffening or bracing a set of timbers, etc., by putting in struts, ties, etc., until it has something of the character of a truss.

3. (obsolete) The act of a hawk or other bird of prey in seizing its quarry and soaring into the air with it.

verb

1. present participle of truss