<p><strong>Noun</strong></p><ul><li>any of various alloys fused and applied to the joint between metal objects to unite them without heating the objects to the melting point.</li><li>anything that joins or unites: the solder of their common cause.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to join (metal objects) with solder.</li><li>to join closely and intimately: two fates inseparably soldered by misfortune.</li><li>to mend; repair; patch up.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to unite things with solder.</li><li>to become soldered or united; grow together.</li></ul>