airfeed

noun
UK /ˈeəfiːd/
US /ˈerfiːd/

A tube or pipe that carries air to a place where it is needed.

The diver's airfeed brought fresh air from the boat down to him.


OTHER MEANINGS

2. A device that supplies air to a fire or engine.

The airfeed kept the furnace burning steadily.

3. In computing, a stream that delivers data or content automatically.

The news airfeed updated the screen every minute.

4. The act of sending air into a closed space.

Proper airfeed keeps the tunnel safe for workers.