ball

US /bɑːl/
UK /bɑːl/
"ball" picture
1.

a solid or hollow spherical or egg-shaped object

:
The children were playing with a red ball in the park.
He threw the ball to his dog.
2.

a large formal social gathering for dancing

:
She wore a beautiful gown to the annual charity ball.
The debutante ball was a grand affair.
1.

to form (something) into a ball

:
She balled up the paper and threw it in the trash.
He balled his fists in anger.