A type of party (at which ballroom dancing might be a feature), see Masquerade ball or May ball.
In modern times balls have been used in machinery. The ball bearing is a device used to reduce the friction of moving parts in a wide variety of machines. Ball bearings use hardened steel balls. See also ball mill.
This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.
