名詞 rotor:

1. the rotating armature of a motor or generator
   同義詞：rotor coil
2. the revolving bar of a distributor
3. rotating mechanism consisting of an assembly of rotating airfoils

1. An aircraft powered by a conventional propeller and supported in flight by a freewheeling, horizontal rotor that provides lift.
   旋翼機(jī)在飛行中以常規(guī)的螺旋槳來驅(qū)動(dòng)并靠慣性滑行支持的，提供升力的水平旋轉(zhuǎn)儀
2. A rotor or rotor blade.
   葉輪或葉輪片

ro.tor

n.（名詞）
A rotating part of an electrical or mechanical device.
轉(zhuǎn)子，旋轉(zhuǎn)部分：電力裝置或機(jī)械裝置的旋轉(zhuǎn)部分
An assembly of rotating horizontal airfoils, as that of a helicopter.
旋翼：如直升飛機(jī)的旋翼等旋轉(zhuǎn)的水平機(jī)翼的組合體

來源：
Contraction of rotator
rotator的縮寫