noun
a duct that provides ventilation (as in mines)
• Syn: ↑air passage, ↑airway
• Hypernyms: ↑duct
• Hyponyms:
↑register, ↑snorkel, ↑schnorkel, ↑schnorchel, ↑snorkel breather, ↑breather, ↑upcast, ↑ventilation shaft
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noun1. : a duct or pipe for conveying air (as to the rooms of a house or ship for ventilation or to a furnace)
2. : the duct connecting the air bladder and alimentary canal of certain fishes
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an enclosure, usually of sheet metal, that conducts heated or conditioned air.
[1865-70]
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air duct,
a pipe or duct for conveying outside air into a building.
Useful english dictionary. 2012.