noun
a small parachute or articulated flap to reduce the speed of an aircraft
• Syn: ↑airbrake
• Hypernyms: ↑restraint, ↑constraint
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noun : a retractable usually hinged flap that may be extended into the airstream to increase the aerodynamic drag and thereby reduce the speed of a diving airplane
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Aeron.
a flap deployed from the wings or fuselage of an aircraft, as a dive bomber or sailplane, that increases drag to permit a relatively steep angle of descent without a dangerous buildup in speed.
[1935-40]
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dive brake,
a speed brake attached to a wing or a fuselage for use in a dive.
Useful english dictionary. 2012.