#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"
  supertype:  #game_equipment  equipment or apparatus used in playing a game
  subtype:  #baseball  a ball used in playing baseball
  subtype:  #basketball  an inflated ball used in playing basketball
  subtype:  #billiard_ball  ball used in playing billiards
     subtype:  #cue_ball__cueball  the ball that the billiard player or pool player strikes with his cue
     subtype:  #object_ball  the billiard ball first struck by the cue ball
  subtype:  #bocce_ball__bocceball__bocci_ball__bocciball__boccie_ball  wooden ball that is bowled in the Italian game of bocce
  subtype:  #bowl.ball  a wooden ball (with flattened sides) used in the game of bowls
  subtype:  #bowling_ball__bowlingball  a large ball used for bowling
  subtype:  #cricket_ball__cricketball  ball used in playing cricket
  subtype:  #croquet_ball__croquetball  a wooden ball used in playing croquet
  subtype:  #field_hockey_ball  ball used in playing field hockey
  subtype:  #football.ball  the inflated oblong ball used in playing American football
  subtype:  #golf_ball  a small hard ball used in playing golf; dimpled to reduce wind resistance
  subtype:  #handball.ball  a small rubber ball used in the game of handball
  subtype:  #lacrosse_ball  ball used in playing lacrosse
  subtype:  #marble.ball  a small ball of glass that is used in various games
     subtype:  #taw.marble__shooter  a large marble used for shooting in the game of marbles
  subtype:  #medicine_ball  heavy ball used in physical training
  subtype:  #ninepin_ball__ninepinball__skittleball  ball used to knock down ninepins
  subtype:  #ping-pong_ball  light hollow ball used in playing table tennis
  subtype:  #polo_ball  wooden ball struck with mallets in playing polo
  subtype:  #pool_ball  ball used in playing pool
     subtype:  #eight_ball__eightball  a black pool ball bearing the number 8; should be the last to go in certain pool games
  subtype:  #punching_bag__punching_ball__punchball  an inflated ball or bag that is suspended and punched for training in boxing
  subtype:  #racquetball.ball  the ball used in playing the game of racquetball
  subtype:  #roulette_ball  the ball used to play roulette
  subtype:  #rugby_ball__rugbyball  inflated oval ball used in playing rugby
  subtype:  #soccer_ball  an inflated ball used in playing soccer
  subtype:  #softball__playground_ball  ball used in playing softball
  subtype:  #squash_ball  rubber ball used in playing squash
  subtype:  #tennis_ball  ball about the size of a fist used in playing tennis
  subtype:  #volleyball  an inflated ball used in playing volleyball
  subtype:  #wiffle_ball__wiffle  (trade mark) a hollow plastic ball with cutouts

No statement uses or specializes #ball; click here to add one.