weld1

verb

• 1join together (metal pieces or parts) by heating the surfaces to the point of melting using a blowtorch, electric arc, or other means, and uniting them by pressing, hammering, etc.:the truck had spikes welded to the back
• forge (an article) by welding.
• unite (pieces of plastic or other material) by melting or softening of surfaces in contact.

• 2cause to combine and form a harmonious or effective whole:his efforts to weld together the religious parties ran into trouble

noun

• a welded joint.