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English definition of “rotor”

rotor

noun [C]     /ˈrəʊ.tər/ US  /ˈroʊ.t̬ɚ/
a part of a machine that spins , especially the device supporting the turning blades of a helicopter Machinery and machinesHousehold equipment and domestic choresFixed-wing aircraft and helicopters
(Definition of rotor noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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