Gridiron (noun)

A type of American football field, which is marked with parallel lines running across the width of the field at 5-yard intervals.

Origin:

Derived from the pattern of lines on the playing field that resemble a grid.

Examples:

1. The gridiron is an essential part of American football, providing the playing surface for the game.
2. The gridiron is usually made of artificial turf, which provides a consistent playing surface and reduces the risk of injury.
3. The gridiron is a rectangular playing field, measuring 100 yards in length and 160 feet in width.
4. The gridiron is the setting for some of the most intense and physical battles in sports, as the players compete for every inch of ground.
5. The gridiron is an iconic part of American culture, representing the power, athleticism, and excitement of the sport.