knucklebones

/N AH1 K AH0 L B OW0 N Z/
noun
  1. 1

    A bone that forms a knuckle in the human hand, in an animal's paw or any bone that forms a similar bump.

  2. 2

    Such a bone once used in children's games of chance.

  3. 3

    A die.

noun
  1. 1

    A children's game, originally played with the knucklebones of sheep, in which small objects are picked up, moved, thrown, and caught according to various rules.

Synonyms

Source: https://en.wiktionary.org/wiki/knucklebone, https://en.wiktionary.org/wiki/knucklebones