- (transitive) to unite (pieces of metal or plastic) together, as by softening with heat and hammering or by fusion
- to bring or admit of being brought into close association or union
- a joint formed by welding
WordReference Random House Learner's Dictionary of American English © 2026
weld1 /wɛld/USA pronunciation
v.
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Building, Metallurgyto unite (metal or plastic pieces) by hammering or squeezing them together, esp. after applying heat: [~ + object]welded the steel doors shut.[no object]The engineer is still welding.
- to bring into complete union or harmony:[~ + object]He welded the recruits into a strong team.
n. [countable]
- Building, Metallurgya joint that has been welded.
weld1
(weld),USA pronunciation v.t.
v.i.
n.
weld′a•ble, adj.
weld′a•bil′i•ty, n.
weld′er, wel′dor, n.
weld′less, adj.
weld2 (weld),USA pronunciation n.
Weld (weld),USA pronunciation n.
- Building, Metallurgyto unite or fuse (as pieces of metal) by hammering, compressing, or the like, esp. after rendering soft or pasty by heat, and sometimes with the addition of fusible material like or unlike the pieces to be united.
- to bring into complete union, harmony, agreement, etc.
v.i.
- Building, Metallurgyto undergo welding;
be capable of being welded:a metal that welds easily.
n.
- Building, Metallurgya welded junction or joint.
- Building, Metallurgythe act of welding or the state of being welded.
- variant of well2 in obsolete sense "to boil, weld'' 1590–1600
weld′a•bil′i•ty, n.
weld′er, wel′dor, n.
weld′less, adj.
weld2 (weld),USA pronunciation n.
- Plant Biologya mignonette, Reseda luteola, of southern Europe, yielding a yellow dye.
- the dye.
- 1325–75; Middle English welde; cognate with Middle Low German walde, Middle Dutch woude
Weld (weld),USA pronunciation n.
- Biographical Theodore Dwight, 1803–95, U.S. abolitionist leader.
Collins Concise English Dictionary © HarperCollins Publishers::
weld /wɛld/ vb
weld /wɛld/, wold, woald /wəʊld/ n
- a yellow dye obtained from the plant dyer's rocket
'welding' also found in these entries (note: many are not synonyms or translations):
acetylene
- arc welding
- carbon
- doublet
- hydrogen
- Langmuir
- oxyacetylene
- oxyhydrogen
- Thermit
- torch
- weld
- bead
- carbon arc
- continuous welded rail
- crater
- electric arc welding
- explosive welding
- filler
- fixture
- flash butt welding
- flash welding
- forge welding
- friction welding
- line
- nugget
- old
- percussion welding
- porthole die
- pressure welding
- resistance welding
- rutile
- thermite
- union
- unitize
- weave bead
- scarf joint
- sculpture
- skip welding
- stringer bead