Definition of bowling ball in English:
1A large, heavy ball with holes for the thumb and two fingers, used in tenpin bowling.
- The busker paused to thank her with a smile, before raising the saxophone to his lips and puffing out his cheeks like he'd just consumed a ten-pin bowling ball.
- I likened it to a drunk trying to walk while holding a bowling ball between his knees.
- And the grown-up style helped, too - the sleek, aero profile and visor make it look like Mom's and Dad's, not like a bowling ball sitting on his head as so many other kiddie helmets do.