Fist, informally (4)

I believe the answer is:

duke

(Other definitions for duke that I've seen before include "Nobleman - fist" , "Highest hereditary title in Britain" , "Lord" , "noble" , "Highest-ranking nobleman" .)

I've seen this clue in the Newsday.

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.