6 letters · 7 points in Scrabble
noun an alloy (usually of lead and tin) used when melted to join two metal surfaces
verb join or fuse with solder
originFrom 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”).
Etymology from Wiktionary, CC BY-SA 3.0