a small rubber ball used in the game of squash(= a game played between two or four people on a special closed playing area that involves hitting the ball against a wall)
In racketball, the ball is bigger and bouncier than a squash ball.玩英式墙网球时，球比壁球更大、更有弹性。
Why does a squash ball bounce higher when it's warm? 为什么壁球在温热的状态会弹得更高？
更多例句
He is the hardest hitter of a squash ball there has ever been.
Squash balls, being made of a rubber compound, are of fairly low resilience.
Nothing beats the satisfying, aggressive thwack of a well-hit squash ball.