Baseball (noun)

1. A sport in which a ball is thrown and hit by a player using a bat.
2. A ball used in the game of baseball.
3. A baseball game or match.
4. The baseball team or league.

Origin:

Baseball is a sport that originated in the united states in the 19th century. the etymology of the word baseball is uncertain, but it may come from the old english word "base" meaning a game in which a ball is thrown and hit by a player using a bat and the word "ball" which is a round object that is hit or thrown or kicked in a game.

Examples:

1. He was a great baseball player.
2. The baseball game was rained out.
3. He threw the baseball with all his might.
4. The baseball league was composed of teams from different cities.
5. Baseball is one of the most popular sports in America.