| n. | 1. | a small parachute or articulated flap to reduce the speed of an aircraft. |
| 2. | a vehicular brake that operates by compressed air; especially for heavy vehicles. Same as air brake. |
| Noun | 1. | airbrake - a small parachute or articulated flap to reduce the speed of an aircraft Synonyms: dive brake |
| 2. | airbrake - a vehicular brake that operates by compressed air; especially for heavy vehicles |