Air passage definitions

Air passage

1) Circulation aid 2) Travel by air 3) Ventilation duct 4) Ventilation provider
Found on https://www.crosswordclues.com/clue/air-passage

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air passage

[n] - a duct that provides ventilation as in mines
Found on http://www.webdictionary.co.uk/definition.php?query=air%20passage

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air passage

air duct noun a duct that provides ventilation (as in mines)
Found on https://www.encyclo.co.uk/local/20974

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air passage

a space occupied or traversed by air. · travel by air. · accommodations for an air trip: to book air passage for Hong Kong.
Found on https://www.infoplease.com/dictionary/air-passage

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