solder

Any of various fusible alloys, usually tin and lead, used to join metallic parts.

Something that joins or cements.

To unite or repair (parts, for example) with solder.

To join or unite.

To unite or repair something with solder.

To be joined or united.

A fusible alloy used for joining or binding together metal surfaces or joints, as the edges of tin cans, jewelry, and kitchen utensils.

Hence Figuratively, that which unites in any way.

Gross flattery or fulsome praise, particularly when used for selfish aims.

A metal or metallic alloy used when melted for uniting adjacent metallic edges or surfaces; a metallic cement.