noun
General term for a spherical object used in sports, play, or as a shape. Covers balls of various sizes and materials.
子供たちは公園でボールを蹴って遊んでいる。
The children are playing by kicking a ball in the park.
その猫は毛糸のボールが大好きだ。
That cat loves balls of yarn.
noun
ball (baseball pitch outside the strike zone)
Baseball term for a pitch that does not pass through the strike zone and is not swung at by the batter.
審判はその低い球をボールと判定した。
The umpire called that low pitch a ball.
あのボールは明らかにストライクゾーンを外れていた。
That pitch was clearly outside the strike zone.