Spinning part of dynamo (5)

I believe the answer is:

rotor

(Other definitions for rotor that I've seen before include "Helicopter supporter" , "Bit of chopper" , "Reversible piece of moving machinery?" , "Revolving aerofoil" , "I go round" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.