An air ambulance is a helicopter that carries the badly injured. Call the air ambulance.
In Britain they are charities, funded by donation rather than by the health service. An air ambulance brings the hospital to the patient, which matters more than the speed.
1nounair ambulanceA helicopter that carries the badly injured.
“The air ambulance landed on the school field.”
air ambulance is a vehicle.
Practised in Emergency & Rescue