19. ball into a state of alertness and efficiency: to get on the ball.
20. ball indicating intelligence and ability: to have a lot on the ball.
21. ball to work together; cooperate.
22. (n.)ball a large, usu. lavish, formal party featuring social dancing, sometimes given to introduce debutantes or benefit a charitable organization.
23. ball Informal. a thoroughly good time.
24. (n.)Ball John, died 1381, English priest: one of the leaders of Wat Tyler's peasants' revolt in 1381.
Definition of 'ball'
Princeton's WordNet
1. (noun)ball round object that is hit or thrown or kicked in games "the ball travelled 90 mph on his serve"; "the mayor threw out the first ball"; "the ball rolled into the corner pocket"
2. (noun)musket ball, ball a solidprojectile that is shot by a musket "they had to carry a ramrod as well as powder and ball"
3. (noun)ball, globe, orb an object with a spherical shape "a ball of fire"
4. (noun)ball the people assembled at a lavish formal dance "the ball was already emptying out before the fire alarm sounded"
5. (noun)testis, testicle, orchis, ball, ballock, bollock, nut, egg one of the two male reproductive glands that produce spermatozoa and secrete androgens "she kicked him in the balls and got away"
6. (noun)ball a spherical object used as a plaything "he played with his rubber ball in the bathtub"
7. (noun)Ball, Lucille Ball United States comedienne best known as the star of a popular television program (1911-1989)
8. (noun)ball, clod, glob, lump, clump, chunk a compact mass "a ball of mud caught him on the shoulder"
9. (noun)ball, formal a lavish dance requiring formal attire
10. (noun)ball a more or less rounded anatomical body or mass "the ball at the base of the thumb"; "he stood on the balls of his feet"
11. (noun)ball the game of baseball
12. (verb)ball a pitch that is not in the strike zone "he threw nine straight balls before the manager yanked him"
13. (verb)ball form into a ball by winding or rolling "ball wool"
1. (noun)ball a round object played with in sports a tennis ball; to throw/catch the ball
2. ball a ball-shaped object a ball of string
3. ball a game played with a ball Do you want to play ball?
4. ball the round part of a hand or foot the ball of your foot
5. ball a formal event for dancing a ball at the White House
6. ball get/set/start the ball rolling to make a process start Let's get the ball rolling with some introductions.
7. ball on the ball alert and ready As a police officer, you need to be on the ball.
Definition of 'ball'
Webster Dictionary
1. (noun)ball any round or roundish body or mass; a sphere or globe; as, a ball of twine; a ball of snow
2. (noun)ball a spherical body of any substance or size used to play with, as by throwing, knocking, kicking, etc
3. (noun)ball a general name for games in which a ball is thrown, kicked, or knocked. See Baseball, and Football
4. (noun)ball any solid spherical, cylindrical, or conical projectile of lead or iron, to be discharged from a firearm; as, a cannon ball; a rifle ball; -- often used collectively; as, powder and ball. Spherical balls for the smaller firearms are commonly called bullets
5. (noun)ball a flaming, roundish body shot into the air; a case filled with combustibles intended to burst and give light or set fire, or to produce smoke or stench; as, a fire ball; a stink ball
6. (noun)ball a leather-covered cushion, fastened to a handle called a ballstock; -- formerly used by printers for inking the form, but now superseded by the roller
7. (noun)ball a roundish protuberant portion of some part of the body; as, the ball of the thumb; the ball of the foot
8. (noun)ball a large pill, a form in which medicine is commonly given to horses; a bolus
Definitions of ball 
Afrikaans: bal
Arabic: كُرَه
Bulgarian: кълбо
Brazilian: bola
Czech: koule, klubko
German: das Knäul, die Kugel
Danish: bold; kugle
Greek: κτ. που έχει σφαιρικό σχή
Spanish: bola; esfera; ovillo
Estonian: pall, kera
Farsi: هر چیز گرد
Finnish: pallo
French: boule, pelote
Hebrew: כָּדוּר
Hindi: गेंद, गोला
Croatian: bala
Hungarian: gombolyag
Indonesian: bulatan
Icelandic: bolti, kúla
Italian: palla
Japanese: 球
Korean: 구체
Lithuanian: kamuolys
Latvian: lode; kamols
Malay: bebola
Dutch: bal, bol
Norwegian: ball, kule
Polish: kula
Persian: هر چیز گرد
Pashto: توپ، ګين، پنډوسكى، ټوپكى،
Portuguese: bola
Romanian: ghem
Russian: клубок; шар
Slovak: klbko
Slovenian: krogla, klobčič
Serbian: klupko
Swedish: boll
Thai: สิ่งที่เป็นรูปทรงกลม
Turkish: top, yumak
Taiwanese: 球狀物
Ukrainian: куля
Urdu: گیند ،کُرہ
Vietnamese: cuộn
Chinese: 球状物
