Meaning of SOLDER in English

SOLDER

/ ˈsəʊldə(r); ˈsɒldə(r); NAmE ˈsɑːdər/ noun , verb

■ noun

[ U ] a mixture of metals that is heated and melted and then used to join metals, wires, etc. together

■ verb

[ vn ] solder sth (to / onto sth) | solder (A and B together) to join pieces of metal or wire with solder

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WORD ORIGIN

Middle English : from Old French soudure , from the verb souder , from Latin solidare fasten together, from solidus solid.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.