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speed brake

American  

noun

  1. a flap on an aircraft wing used to decrease speed in flight in preparation for landing.

Example Sentences

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The aircraft had a custom-built autopilot system and were fitted with a speed brake and larger wheels to increase drag and slow the rate of descent, Red Bull said on its website.

From Washington Times • Apr. 26, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.