[ 'səʊldə , 'sɒldə ]
■ noun a low-melting alloy, especially one based on lead and tin, used for joining less fusible metals.
■ verb join with ~.
Derivatives
~able adjective
~er noun
Origin
ME: from OFr. soudure , from the verb souder , from L. solidare 'fasten together', from solidus 'solid'.