As a Noun: 1. A game played by two teams of nine players. Each player from one team hits a ball with a bat and then tries to run round all four bases before the other team can get the ball back. English = baseball. 2. A form of baseball played with a larger and softer ball. English = softball. As a Verb or Adjective: 1. To play baseball, or softball. 2. To strike a baseball with the bat.