English noun: air passage | |||
1. | air passage (artifact) a duct that provides ventilation (as in mines) | ||
Synonyms | air duct, airway | ||
Broader (hypernym) | duct | ||
Narrower (hyponym) | breather, register, schnorchel, schnorkel, snorkel, snorkel breather, upcast, ventilation shaft | ||
Part holonym | blowhole, vent, vent-hole, venthole | ||