Crossword Genius

Part of a device that goes round (5)

Ross

I believe the answer is:

rotor

(Other definitions for rotor that I've seen before include "... and another" , "Turning blade" , "part of chopper" , "It goes around" , "Mechanical part that revolves, an acronym" .)

I've seen this clue in The Guardian.
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.