Wordnet 3.0
NOUN (1)
1. 
 a ball game played with a bat and ball between two teams of nine players; 
 teams take turns at bat trying to score runs; 
- Example: "he played baseball in high school"- Example: "there was a baseball game on every empty lot"- Example: "there was a desire for National League ball in the area"- Example: "play ball!"[syn: baseball, baseball game]
WordNet (r) 3.0 (2006):
baseball game
    n 1: a ball game played with a bat and ball between two teams of
         nine players; teams take turns at bat trying to score runs;
         "he played baseball in high school"; "there was a baseball
         game on every empty lot"; "there was a desire for National
         League ball in the area"; "play ball!" [syn: baseball,
         baseball game]