Definition from Wiktionary, the free dictionary
trussing (plural trussings)
- (architecture, engineering) The timbers, etc., that form a truss.
- (Can we find and add a quotation of Weale to this entry?)
- 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.
- (obsolete) The act of a hawk or other bird of prey in seizing its quarry and soaring into the air with it.