Football (noun)

1. A game played by two teams of eleven players with a round ball that is kicked or headed by the players, and that is usually but not always played on a rectangular field with goals at either end.
2. An oval or round ball used in this game.
3. American Football, a game played by two teams of eleven players with an oval ball that is passed, carried, or kicked by the players and that is played on a rectangular field with goalposts at either end.
4. Any of various games in which two teams try to kick, carry, or throw a ball across a goal line or into a goal.

Origin:

Late 18th century: so named because the ball is kicked with the foot.

Examples:

1. He played football in high school.
2. The football team won the championship.
3. The football game was on TV.
4. He was a fan of American football.
5. The football was kicked over the goalpost.