Definitions from Wiktionary ( )

▸ noun:  A solid or hollow sphere, or roughly spherical mass.
▸ noun:  A quantity of string, thread, etc., wound into a spherical shape.
▸ noun:  (mathematics) Homologue or analogue of a disk in the Euclidean plane.
▸ noun:  (mathematics) In 3-dimensional Euclidean space, the volume bounded by a sphere.
▸ noun:  (mathematics) The set of points in a metric space of any number of dimensions lying within a given distance (the radius) of a given point.
▸ noun:  (mathematics) The set of points in a topological space lying within some open set containing a given point.
▸ noun:  (ballistics, firearms) A solid, spherical nonexplosive missile for a cannon, rifle, gun, etc.
▸ noun:  A jacketed non-expanding bullet, typically of military origin.
▸ noun:  (uncountable, obsolete) Such bullets collectively.
▸ noun:  A roundish, protuberant portion of some part of the body.
▸ noun:  (anatomy) The front of the bottom of the foot, just behind the toes.
▸ noun:  The globe; the earthly sphere.
▸ noun:  (sports, countable) An object that is the focus of many sports and games, in which it may be thrown, caught, kicked, bounced, rolled, chased, retrieved, hit with an instrument, spun, etc., usually roughly spherical but whose size, weight, bounciness, colour, etc. differ according to the game
▸ noun:  (uncountable) Any sport or game involving a ball; its play, literally or figuratively.
▸ noun:  (baseball, countable) A pitch that falls outside of the strike zone.
▸ noun:  (pinball, countable) An opportunity to launch the pinball into play.
▸ noun:  (cricket, countable) A single delivery by the bowler, six of which make up an over.
▸ noun:  (soccer, countable) A pass; a kick of the football towards a teammate.
▸ noun:  (mildly vulgar, slang, usually in the plural) A testicle.
▸ noun:  (in the plural) Nonsense.
▸ noun:  (in the plural) Courage.
▸ noun:  (printing, historical) A leather-covered cushion, fastened to a handle called a ballstock; formerly used by printers for inking the form, then superseded by the roller.
▸ noun:  (farriery, historical) A large pill, a form in which medicine was given to horses; a bolus.
▸ noun:  (slang, countable, uncountable, singular only) One thousand US dollars.
▸ verb:  (transitive) To form or wind into a ball.
▸ verb:  (metalworking) To heat in a furnace and form into balls for rolling.
▸ verb:  (transitive, US, vulgar) To have sexual intercourse with.
▸ verb:  (transitive, intransitive) To gather balls which cling to the feet, as of damp snow or clay; to gather into balls.
▸ verb:  (slang, usually in present participle) To be hip or cool.
▸ verb:  (university slang) To reject from a fraternity or sorority. (Short for blackball.)
▸ verb:  (nonstandard, slang) To play basketball.
▸ verb:  (transitive) To punish by affixing a ball and chain.
▸ verb:  (transitive) Of bees: to kill (a wasp) by surrounding it in large numbers so as to raise its body heat.
▸ noun:  A formal dance.
▸ noun:  (informal) A very enjoyable time.
▸ noun:  A competitive event among young African-American and Latin American LGBTQ+ people in which prizes are awarded for drag and similar performances. See ball culture.
▸ noun:  An English surname.
▸ noun:  A town in Rapides Parish, Louisiana, United States.
▸ noun:  A hamlet in Egloshayle parish, on the eastern outskirts of Wadebridge, Cornwall, England (OS grid ref SX0073).

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