tail rotor

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Related to antitorque rotor: tail rotor roll

tail rotor

n
(Aeronautics) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tail rotor - rotor consisting of a rotating airfoil on the tail of a single-rotor helicoptertail rotor - rotor consisting of a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor
rotor - rotating mechanism consisting of an assembly of rotating airfoils; "there are horizontal rotors on a helicopter or compressor rotors in a jet engine"
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References in periodicals archive ?
A distinctive feature of the helicopter is its single-rotor scheme with a multi-blade antitorque rotor in the annular channel of the vertical tail fin, which was for the first time used on helicopters in Russia.