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Added 9 October 2026

solder

/ˈsɒl.də(ɹ)/ noun

In Latin: plumbō Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about solder at Wordnik → Where our words come from →

An alloy (usually of lead and tin) used when melted to join two metal surfaces.

verb

Join or fuse with solder.
solder these two pipes together

Origin

From Middle English souder, soudere, soudur (noun), from Old French soldure, soudeure (noun), from Old French souder, solder (“to solder”, verb) (> Middle English souden (“to solder”)), from Latin solidāre (“make solid”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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