| Noun | 1. | ball - round object that is hit or thrown or kicked in games; "the ball travelled 90 mph on his serve"; "the mayor threw out the first ball"; "the ball rolled into the corner pocket" |
| 2. | ball - a solid ball shot by a musket; "they had to carry a ramrod as well as powder and ball" Synonyms: musket ball | |
| 3. | ball - an object with a spherical shape; "a ball of fire" | |
| 4. | ball - the people assembled at a lavish formal dance; "the ball was already emptying out before the fire alarm sounded" | |
| 5. | ball - one of the two male reproductive glands that produce spermatozoa and secrete androgens; "she kicked him in the balls and got away" | |
| 6. | ball - a spherical object used as a plaything; "he played with his rubber ball in the bathtub" | |
| 7. | Ball - United States comedienne best known as the star of a popular television program (1911-1989)Synonyms: Lucille Ball | |
| 8. | ball - a compact mass; "a ball of mud caught him on the shoulder" | |
| 9. | ball - a lavish formal dance | |
| 10. | ball - a more or less rounded anatomical body or mass; ball of the human foot or ball at the base of the thumb; "he stood on the balls of his feet" | |
| 11. | ball - a ball game played with a bat and ball between two teams of 9 players; teams take turns at bat trying to score run; "he played baseball in high school"; "there was a baseball game on every empy lot"; "there was a desire for National League ball in the area"; "play ball!"Synonyms: baseball, baseball game | |
| 12. | ball - a pitch that is not in the strike zone; "he threw nine straight balls before the manager yanked him" | |
| Verb | 1. | ball - form into a ball by winding or rolling; "ball wool" |