trussing

verb

1. (form-of, gerund, participle, present)present participle and gerund of truss

noun

1. The timbers, etc., that form a truss.

   “1849-1850, John Weale, Rudimentary Dictionary of Terms used in Architecture, Building, and Engineering Beds (Trussing) were beds which packed into chests , for travelling ; and , considering the frequent removals , these must have been the most convenient kind .”

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.

adj

1. (not-comparable)In the act of seizing (something).

   “Sable, a falcon or, his wings expanded, trussing a mallard argent, on a chief of the latter, a cross botoné[…]”

   “A hawk trussing.”

   “Examples of this will be found in the arms of Madden ["Sable, a hawk or, trussing a mallard proper, on a chief of the second a cross botonny gules"], and in the crests of Graham, Cawston, and Yerburgh.”