[1] : The Collaborative International Dictionary of English v.0.48

jackstone \jack"stone`\, n.
   1. one of the pebbles or pieces used in the game of
      jackstones.
      1913 webster

   2. pl. a game played with five small stones or pieces of
      metal. see 6th chuck. also called jacks. see
      jack12, n.
      1913 webster
see also:
chuck jacks jack 

Jackstone >> J Words
Jackstone, definition of term: Jackstone
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