definition of
ball

[1] #1 ball n. round object that is hit or thrown or kicked in games; "the ball travelled 90 mph on his serve"; "the mayor threw out the first ball"; "the ball rolled into the corner pocket". wn

[2] #2 ball n. [musket ball] a solid projectile that is shot by a musket; "they had to carry a ramrod as well as powder and ball". wn

[3] #3 ball n. [globe, orb] an object with a spherical shape; "a ball of fire". wn

[4] #4 ball n. the people assembled at a lavish formal dance; "the ball was already emptying out before the fire alarm sounded". wn

[5] #5 ball v. form into a ball by winding or rolling; "ball wool". wn