Crossword Genius

Cosh (8)

Ross

I believe the answer is:

bludgeon

(Other definitions for bludgeon that I've seen before include "Cudgel" , "Blunt instrument" , "(Beat with a) heavy stick" , "Bully; heavy weapon" , "Thick club" .)

I've seen this clue in The Times and The Mirror.
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.