en.wiktionary.org
2019-6-14 · A solid or hollow sphere, or part thereof. a ball of spittle; a fecal ball A quantity of string, thread, etc., wound into a spherical shape. a ball of wool; a ball of twine (ballistics) A solid, spherical nonexplosive missile for a cannon, etc. A jacketed non-expanding bullet, typically of military origin. (uncountable, obsolete) Such bullets ...
