Definition of "airbrake" []

• A brake (slowing device) that is operated pneumatically (by air pressure). (noun)
• A moving part of an aircraft wing to reduce lift and airspeed. (noun)

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• "Now that I have a garage I can get to work installing that and also doing the fender/mudflap/airbrake eliminator, the aluminum footpegs, the clear taillight, and finally removing the big catfish lower lip from under the nose of the bike."
• "From "Erie Railroad Magazine" Volume 24 (April 1928), No. 2, pp. On the last day of April [1928] occurs the 28th anniversary of the death of Casey Jones, probably the most famous of a long line of locomotive engineer heroes who have died at their post of duty, one hand on the whistle and the other on the airbrake lever."
• "This model had a retractable airbrake mounted well aft, almost underneath the exhaust nozzles, and the undercarriage folded backward and inward instead of forward and inward: there were also six underwing missile pylons, which had been adapted to sling centre-line fuel tanks to complement the wing pods."