draught-hole

A worker inspects the draught-hole at the base of the furnace.

Definition

1. Noun:
   • Ventilation opening: A "draught-hole" is a hole or opening designed to allow the passage of air, specifically to create a draught (a current of air) in a furnace, fireplace, or other enclosed space.
   • Airflow regulator: In technical contexts, a "draught-hole" serves as a controlled aperture for adjusting the flow of air, often to improve combustion or ventilation.

Usage Examples

• Noun:
  • The blacksmith opened the draught-hole to increase the fire's intensity. (A vent hole in a forge used to regulate airflow.)
  • The old stove had a small draught-hole near the base to let in fresh air. (An opening for air circulation in a heating device.)

Advanced Usage

• "to adjust the draught-hole": to modify the size or position of the opening to control airflow.

  • He adjusted the draught-hole to prevent the fire from smoking. (He changed the vent to improve combustion.)

• "to seal a draught-hole": to close off the opening to stop air from entering.

  • Before cleaning the chimney, they sealed the draught-hole with a damp cloth. (They blocked the vent to prevent dust from spreading.)

Variants and Related Words

• Draught (n): a current of cool air in a room or other confined space.

  • She felt a cold draught coming from the window. (A stream of air moving indoors.)

• Draught-proof (adj): designed to prevent draughts from entering a space.

  • The draught-proof door seal reduced energy loss. (A barrier that stops air leaks.)

Synonyms

• Vent: an opening that allows air, gas, or liquid to pass out of or into a confined space.
• Airhole: a hole for the passage of air, especially in a furnace or stove.
• Flue: a duct or pipe for conveying exhaust gases from a fireplace, furnace, or boiler.

Related Idioms

• "Down the draught-hole": an informal expression meaning wasted or lost (similar to "down the drain").
  • All our efforts went down the draught-hole when the project was cancelled. (The work was wasted.)

Note on Spelling

• "Draught" is the British English spelling; the American English equivalent is "draft", so "draught-hole" is often written as "draft hole" in American contexts.