1. plural of twier: nozzles or pipes through which air is blown into a furnace or forge
Usage: technical; metallurgy

Examples

• The blacksmith adjusted the twiers to control the airflow into the forge.
• Hot air rushed through the twiers, intensifying the flames in the furnace.
• The foundry workers inspected the twiers for any blockages before starting production.
• Proper maintenance of the twiers is essential for efficient smelting operations.
• The blast furnace had multiple twiers positioned around its circumference.