air passage

American  

noun

1. a space occupied or traversed by air.

2. travel by air.

3. accommodations for an air trip.

   to book air passage for Hong Kong.

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Etymology

Origin of air passage

First recorded in 1830–40

Example Sentences

The cilia help the tracheal cells push out tiny particles that find their way into air passages of the lung.

From Science Daily

Cotton swabs are apparently used to create air passages during the procedure, with strips of paper applied to protect eyebrows and eyelashes.

From Fox News

But other clips show fully covered faces, with cotton swabs used to create air passages.

From BBC

And so the air passage went without a hitch.

From New York Times

When people with Covid-19 develop a cough and fever, Wilson says this is a result of the infection reaching the respiratory tree – the air passages that conduct air between the lungs and the outside.

From The Guardian