(idiomatic) To start anything tumultuous. / (idiomatic) To work together; to cooperate. / (baseball, softball) An expression used at the beginning of a game of baseball, or softball.

(ball games) The ball when dead and out of play.

(cricket) A ball off which no runs are scored.

(idiomatic) To enjoy oneself thoroughly; to have lots of fun or excitement.

(cricket) A cricket ball never previously used in a match; a replacement new cricket ball taken by the captain of the bowling side at certain specified times during an innings.

(baseball) A batted ball that bounces one or more times on the infield; a grounder. / (lacrosse) A loose ball that is on the ground during play.

(baseball, softball) A batted ball that has been hit into the air above the outfield; a fly. / (slang) A geek; beatnik.

(cricket) Describing a way of getting out in which the batsman deliberately touches the ball with the hand not holding the bat.

(basketball) A situation in which players of opposing teams both hold the ball, with neither clearly possessing it outright.

(baseball) A batted ball that lands in foul territory.