What is "trussed beam"

Truss \Truss\, v. t. [imp. & p. p. Trussed; p. pr. & vb. n. Trussing.] [F. trousser. See Truss, n.]

1. To bind or pack close; to tie up tightly; to make into a truss.
   --Shak.

   It [his hood] was trussed up in his wallet.
   --Chaucer.

2. To take fast hold of; to seize and hold firmly; to pounce upon. [Obs.]

   Who trussing me as eagle doth his prey.
   --Spenser.

3. To strengthen or stiffen, as a beam or girder, by means of a brace or braces.

4. To skewer; to make fast, as the wings of a fowl to the body in cooking it.

5. To execute by hanging; to hang; -- usually with up. [Slang.]
   --Sir W. Scott.

   To truss a person or To truss one's self, to adjust and fasten the clothing of; especially, to draw tight and tie the laces of garments. [Obs.] ``Enter Honeysuckle, in his nightcap, trussing himself.''
   --J. Webster (1607).

   To truss up, to strain; to make close or tight.

   Trussed beam, a beam which is stiffened by a system of braces constituting a truss of which the beam is a chord.