Solder (verb)

To join two pieces of metal by heating them to a temperature at which they fuse together.

Origin:

Derived from the old french word 'souder' meaning 'to unite', the term 'solder' first appeared in the 14th century and referred to the process of joining two pieces of metal by heating them to a temperature at which they fuse together.

Examples:

1. The jewelry maker used a blowtorch to solder the broken chain back together.
2. The electrician had to solder the wires together to repair the damaged circuit.
3. The plumber used a lead-based solder to fix the leak in the pipes.
4. The metalworker was trained in the art of soldering and was able to repair the intricate pieces with precision.
5. The soldering process was complicated and required a high level of skill, as any mistakes could result in weak joints that would easily break.