Blowpipe (noun)

1. A pipe or tube used to blow air into a furnace, fire, or other object.
2. A pipe used by a metalworker to direct a jet of air onto a hot piece of metal to cool it.
3. A tube through which a jet of air is blown to direct a stream of molten metal or glass.

Origin:

Late 16th century: from blow + pipe.

Examples:

1. The blacksmith used a blowpipe to keep the fire hot while he worked.
2. The glassblower used a blowpipe to shape the glass into different forms.
3. The metalworker used a blowpipe to cool the metal as he worked, to prevent it from overheating.
4. The blowpipe was an essential tool for the metalworker, allowing him to shape the metal to his desired form.
5. The glassblower used the blowpipe to carefully control the flow of molten glass, shaping it into intricate designs.