tack-weld

transitive verb

Definition of tack-weld

(Entry 1 of 2)

: to fasten (two pieces of metal) together by welding them at various isolated points

tack weld

noun

Definition of tack weld (Entry 2 of 2)

1 : a joint or fastening secured by tack welding

2 : one of the small welded points in a joint that has been tack-welded

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