rotor

名词 rotor:

1. the rotating armature of a motor or generator
   同义词：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.
   旋翼机在飞行中以常规的螺旋桨来驱动并靠惯性滑行支持的，提供升力的水平旋转仪
2. A rotor or rotor blade.
   叶轮或叶轮片

ro.tor

n.（名词）
A rotating part of an electrical or mechanical device.
转子，旋转部分：电力装置或机械装置的旋转部分
An assembly of rotating horizontal airfoils, as that of a helicopter.
旋翼：如直升飞机的旋翼等旋转的水平机翼的组合体

来源：
Contraction of rotator
rotator的缩写