WordNet: air duct, air passage, airway

a duct that provides ventilation (as in mines)

• hypernym duct

• hyponym register

• hyponym breather, schnorchel, schnorkel, snorkel, snorkel breather

• hyponym upcast

• hyponym ventilation shaft

air duct

• (suomi) hengitystiehyt (synonyymi)

air passage

• (suomi) hengitystie (synonyymi)

airway

• (suomi) hengitystie (synonyymi)