tin

n. a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide n. a vessel (box, can, pan, etc.) made of tinplate and used mainly in baking v. plate with tin v. prepare (a metal) for soldering or brazing by applying a thin layer of solder to the surface