Also found in: Thesaurus, Medical, Financial, Idioms, Encyclopedia.
a. A spherical object or entity: a steel ball.
b. A spherical or almost spherical body: a ball of flame.
a. Any of various movable and round or oblong objects used in various athletic activities and games.
b. Such an object moving, thrown, hit, or kicked in a particular manner: a low ball; a fair ball.
c. A game, especially baseball or basketball, played with such an object.
d. A pitched baseball that does not pass through the strike zone and is not swung at by the batter.
a. A solid spherical or pointed projectile, such as one shot from a cannon.
b. Projectiles of this kind considered as a group.
4. A rounded part or protuberance, especially of the body: the ball of the foot.
5. Vulgar Slang
a. A testicle.
b. balls Courage, especially when reckless.
c. balls Great presumptuousness.
v. balled, ball·ing, balls
1. To form into a ball.
2. Vulgar Slang To have sexual intercourse with.
1. To become formed into a ball.
2. Vulgar Slang To have sexual intercourse.
To confuse; bungle.
have(someone) by the balls Vulgar Slang
To have control over someone; have someone at one's mercy.
on the ball Informal
1. Alert, competent, or efficient: a teacher who is really on the ball.
2. Relating to qualities, such as competence, skill, or knowledge, that are necessary for success: a manager who has a lot on the ball; a student who has nothing on the ball.
1. A formal gathering for social dancing.
2. Informal An extremely enjoyable time or experience: We had a ball during our vacation.