"baseball" in the noun sense
1. baseball, baseball game, ball
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!"
2. baseball
a ball used in playing baseball
Source: WordNet® (An amazing lexical database of English)
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