n. & v.
--n.
1. a fusible alloy used to join less fusible metals or wires etc.
2 a cementing or joining agency.
--v.tr. join with solder.
Phrases and idioms:
soldering iron a tool used for applying solder.
Derivatives:
solderable n. solderer n.
Etymology: ME f. OF soudure f. souder f. L solidare fasten f. solidus SOLID