Decorative ball worn on a hat (6)

I believe the answer is:

pompom

(Other definitions for pompom that I've seen before include "Decorative ball of tufted wool" , "Woolly decoration" , "Fluffy ball - type of gun" , "Anti-aircraft weapon" , "Top decoration" .)

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.