Meaning of dive brake

dive' brake"

Pronunciation: [key]
— Aeron. Aeron.
  1. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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