speed brake

American  

noun

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

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Example Sentences

Using information from the “black box” inside Grossman’s vehicle — an event data recorder that depicts information such as speed, brake usage and airbag deployment — Hale said the last five seconds of Grossman’s travels the night of Sept. 29, 2020, were captured before a collision triggered her airbags.

From Los Angeles Times

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

The regulations don’t cover new partially automated systems that can control speed, brake, and steer cars on freeways, and they don’t address cameras and radar used in those systems.

From Seattle Times

But it is easy to pick up speed — brake lights are on for most drivers going down the hill.

From New York Times

“We’re sending information directly from the front truck to the rear truck, information like engine torque, vehicle speed, brake application,” said Josh Switkes, one of Peloton’s founders.

From Washington Post