verb

1. To form or wind into a ball.

   "to ball cotton"

2. To heat in a furnace and form into balls for rolling.

3. To have sexual intercourse with.

4. To gather balls which cling to the feet, as of damp snow or clay; to gather into balls.

   "The horse balls; the snow balls."

5. (usually in present participle) To be hip or cool.

6. To play basketball.

7. To punish by affixing a ball and chain