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tail rotor

British  

noun

  1. a small propeller fitted to the rear of a helicopter to counteract the torque reaction of the main rotor and thus prevent the body of the helicopter from rotating in an opposite direction

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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It appeared that the helicopter augered into the dirt embankment on the side of the highway, tearing up weeds with its tail rotor before skidding across five freeway lanes.

From Los Angeles Times Oct. 7, 2025

The tail rotor counteracts the torque of a helicopter's main rotor to ensure the aircraft does not spin out of control.

From Reuters Sep. 6, 2023

The shaft that controlled the tail rotor then unscrewed and became detached as a result, which in turn caused the helicopter to spin out of the pilot's control.

From BBC Sep. 5, 2023

The tail rotor is key to keeping the helicopter stable and steering it.

From Seattle Times Aug. 16, 2023

“Examination of the main and tail rotor assemblies found damage consistent with powered rotation at the time of impact. The initial point of impact consisted of highly fragmented cabin and cockpit debris,” the report noted.

From Los Angeles Times Feb. 7, 2020

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