1. Plural of football: a ball used in the sport of American football, typically oval-shaped and made of leather or synthetic material.
Usage: Most common sense in U.S. English
2. Plural of football: the sport played with an oval ball between two teams of eleven players each, primarily in the United States.
Usage: Used as a mass noun or count noun when referring to multiple games or instances
3. Plural of football: in British English, the sport of soccer; a round ball used in that sport.
Usage: British English; less common in U.S. contexts

Examples

• The coach ordered a dozen new footballs for practice.
• Kids were throwing footballs around in the park.
• Professional footballs must meet strict size and weight regulations.
• She collected autographed footballs from famous players.
• The team practiced with different footballs in various weather conditions.