rotor

US /ˈroʊ.t̬ɚ/
UK /ˈroʊ.t̬ɚ/
1.

cái ro tô

a hub with a number of radiating airfoils that is rotated in an approximately horizontal plane to provide the lift for a helicopter or other rotary-wing aircraft.

2.

cái ro tô

the rotating assembly in a turbine, especially a wind turbine.