(baseball, softball) A ball which has been hit between the first base and third base lines

(cricket) A cricket ball that has been used in a previous match, or used in the current match for more than 30 overs.

(baseball) A curveball.

(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) 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 play where the catcher fails to stop a normally playable pitch and a runner advances.

(obsolete, 1800s) baseball

(baseball, slang, 1800s) A high fly ball

(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.