Alloy Used to Bind Two Metals Together

This page is the CodyCross answer for the clue below from Underground Worlds, Group 2168, Puzzle 5 (Moaning Caverns).

Question is: Alloy Used to Bind Two Metals Together

and the answer is: SOLDER

Word Meaning:

SOLDER — Any of various easily melted alloys, commonly of tin and lead, that are used to mend, coat, or join metal objects, usually small.

Definitions from Wiktionary.