What is the meaning of truss?

noun

• Medicine) a bandage consisting of a pad and belt; worn to hold a hernia in place by pressure. (
• A framework of beams (rafters, posts, struts) forming a rigid structure that supports a roof or bridge or other structure.
• Architecture) a triangular bracket of brick or stone (usually of slight extent. ()
  • synonyms: corbel

verb

• Tie the wings and legs of a bird before cooking it.
• Secure with or as if with ropes.
  • usage: "tie down the prisoners"; "tie up the old newspapers and bring them to the recycling shed"
  • synonyms: tie down, tie up, bind
• Support structurally.
  • usage: "truss the roofs"; "trussed bridges"