'Skittle ball' definitions:

Definition of 'skittle ball'

(from WordNet)
noun
Ball used to knock down ninepins [syn: ninepin ball, skittle ball]

Definition of 'Skittle ball'

From: GCIDE
  • Skittle \Skit"tle\, a. Pertaining to the game of skittles. [1913 Webster]
  • Skittle alley, an alley or court in which the game of skittles is played.
  • Skittle ball, a disk or flattish ball of wood for throwing at the pins in the game of skittles. [1913 Webster]