ROTOR


Meaning of ROTOR in English

/ ˈrəʊtə(r); NAmE ˈroʊ-/ noun

a part of a machine that turns around a central point :

rotor blades on a helicopter

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WORD ORIGIN

early 20th cent.: formed irregularly from rotator .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.