air reinforcement
nounUK /ɛə ˌriːɪnˈfɔːsmənt/
US /ɛr ˌriːɪnˈfɔːrsmənt/
Extra help that comes from the sky, like planes or parachutes.
The soldiers waited for air reinforcement before moving forward.
OTHER MEANINGS
2. Extra strength added to something using air, such as air-filled padding.
The air reinforcement in the helmet made it safer to wear.
3. When planes or helicopters bring more people to help a team.
The rescue team got air reinforcement when two helicopters arrived.
4. A way of making a structure stronger by pumping air into it.
The tent uses air reinforcement to stay firm in the wind.