stopped up by air.
- Air brake
a brake or system of brakes operated by compressed air. Aeronautics. a device for reducing the air speed of an aircraft by increasing its drag. a device for stopping the sails of a windmill by disrupting the flow of air around them. Contemporary Examples Johnson Welded Products Ohio-based manufacturer of reservoirs for air brake systems. […]
(of an engine, aircraft, missile, etc.) to take in air from the atmosphere to oxidize the fuel for combustion.
an aircraft, missile, or submarine engine that requires air from the atmosphere for the combustion of its fuel.
- Air brick
a ceramic or metal unit the size of a brick, open at the sides for admitting air to a building interior.