from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A game played with a bat and ball by two opposing teams of nine players, each team playing alternately in the field and at bat, the players at bat having to run a course of four bases laid out in a diamond pattern in order to score.
- n. The ball that is used in this game.
- n. A game of darts in which the players attempt to score points by throwing the darts at a target laid out in the form of a baseball diamond.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A sport common in North America, the Caribbean, and Japan, in which the object is to strike a ball so that one of a nine-person team can run counter-clockwise among four bases, resulting in the scoring of a run. The team with the most runs after termination of play, usually nine innings, wins.
- n. The ball used to play the sport of baseball.
- n. A variant of poker in which cards with baseball-related values have special significance.
from the GNU version of the Collaborative International Dictionary of English
- n. A game of ball, so called from the bases or bounds (four in number) which designate the circuit which each player must endeavor to make after striking the ball.
- n. The ball used in this game.
from The Century Dictionary and Cyclopedia
- n. A game of ball played by eighteen persons, nine on a side.
- n. The ball with which this game is played.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs
- n. a ball used in playing baseball
base + ball (Wiktionary)