n. A fusible alloy used for joining or binding together metal surfaces or joints, as the edges of tin cans, jewelry, and kitchen utensils.n. Hence Figuratively, that which unites in any way.n. Gross fiattery or fulsome praise, particularly when used for selfish aims.To unite by a metallic cement; join by a metallic substance in a state of fusion, which hardens in cooling, and renders the joint solid.Figuratively, to close up or unite firmly by any means.