weld /weld/ I. vt. 焊接：weld a broken iron chain 把断了的铁链焊接在一起；weld parts together 焊接零件；arguments that closely welded 密切组合的论据 ‖II. n. ［u］焊接;［c］焊缝：The weld is three inches wide.这条焊缝3英寸宽。

welder n. 熔焊工