Large siege engine that hurled projectiles from a sling (9)

I believe the answer is:

trebuchet

(Other definitions for trebuchet that I've seen before include "Medieval engine of war" , "Old slinger" , "onager?" , "Old weapon" , "Medieval siege engine" .)

I've seen this clue in The Times.

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.