good point...
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1. A spherical object or entity: a steel ball.
2. A spherical or almost spherical body: a ball of flame.

# Sports.

1. Any of various rounded, movable objects used in various athletic activities and games.
2. Such an object moving, thrown, hit, or kicked in a particular manner: a low ball; a fair ball.
3. A game, especially baseball or basketball, played with such an object.
4. A pitched baseball that does not pass through the strike zone and is not swung at by the batter.

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1. A solid spherical or pointed projectile, such as one shot from a cannon.
2. Projectiles of this kind considered as a group.