A concave vessel of various forms (often approximately hemispherical), to hold liquids, etc.(noun)
source: webster1913
A ball of wood or other material used for rolling on a level surface in play; a ball of hard wood having one side heavier than the other, so as to give it a bias when rolled.(noun)
source: webster1913
verb (v)
roll (a ball)(verb.motion)
source: wordnet30
hurl a cricket ball from one end of the pitch towards the batsman at the other end(verb.contact)
source: wordnet30
engage in the sport of bowling(verb.competition)
Example: My parents like to bowl on Friday nights.