noun
- a pipe or nozzle through which air is blown into a forge or furnace
Usage: technical; metalworking
Examples
- The blacksmith adjusted the twier to increase airflow to the forge.
- Hot air rushed through the twier into the furnace.
- The twier became clogged with debris and needed cleaning.
- Multiple twiers were installed around the blast furnace.
- The metalworker replaced the damaged twier before starting work.