from The Century Dictionary.
- noun A passage or tube leading downward through which a material, as coal, ore, etc., is poured into hoppers or carts.
- noun In engineering, an air-passage leading downward; specifically, such a passage leading from above to the furnaces or blowers of a marine boiler.
Sorry, no etymologies found.
We are seeing a little bit of a downtake in our material costs and the percentage of sales.