I. weld 1 /weld/ BrE AmE verb
[ Date: 1500-1600 ; Origin: well 'to weld' (15-19 centuries) , from Old English wellan ; ⇨ ↑ well 5 ]
1 . [transitive] to join metals by melting their edges and pressing them together when they are hot:
The new handle will have to be welded on.
2 . [transitive always + adverb/preposition] to join or unite people into a single strong group:
His job is now to weld the players into a single team.
⇨ ↑ arc welding
II. weld 2 BrE AmE noun [countable]
a joint that is made by welding two pieces of metal together