• synonyms


  1. jack1(def 5a, b).
  2. jackstones, (used with a singular verb) jack1(def 5c).
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Origin of jackstone

1805–15; earlier chackstone, alteration of checkstone pebble, of uncertain origin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for jackstone

Historical Examples of jackstone

  • In that instant, she looked at the jackstone players by the hearth.

    The Readjustment

    Will Irwin

  • Mr. Gates wants to double his bet on Jackstone,—make it $80,000!