A contrivance by which a ball, placed in a circular cup with a hole in its bottom, operates as a valve. / (proscribed) A ballcock valve.

(slang, vulgar, transitive) To leave (a person, usually a man) sexually frustrated by denying them an orgasm or abruptly ending sexual contact.

A round projectile with an iron bolt protruding to prevent it from turning in the gun.

A ball of cotton wool.

(dated) A ball where guests come in fancy dress.

(Australia, dated, education) A style of handwriting with distinct circles and straight lines, rather than a more cursive style.

(obsolete) A ball of some aromatic substance.

(basketball) A thrown ball that misses the basket, and completely fails to touch the net or supporting hoop. / (by extension) Any ball-like object that widely misses its intended target when thrown.

A heavy iron ball attached to a prisoner's leg by a chain as a means of restraint. / (slang) One's wife, as a symbol of restraint. / (figuratively) Anything that restricts one's freedom or opportunities.

A globe of glass or crystal used to foretell the future. / (by extension) A way of seeing into the future. / One of the magickal tools of Wicca, used for divination and altar purposes