Definition:
football is a noun that means a team sport with two opposing teams that attempt to score points by either kicking the ball into the opposing team's goal or tackling a player with the ball over the goal line. It is typically played with 11 players on each team, and is regulated by a referee and rules set out by the governing body.
Examples:
1. I love watching football on the weekends.
2. My high school football team made it to the finals this year!
3. My little sister signed up to play flag football this summer.