1. Gravitational force at the surface of a planet or other body that pulls mass toward its center.
2. The pulling force (force of attraction) between any two masses in the universe.

On earth, gravity is experienced as a downward force that makes things fall toward the ground.

Monica is reading a book about anti-gravity. She just can't put it down.

The point where the weight of an object appears to be concentrated, usually near its middle.

Cars with a high center of gravity are more likely to topple over when they go round corners.