jackstone

[jak-stohn]

noun

jack¹(def 5a, b).
jackstones, (used with a singular verb) jack¹(def 5c).

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!
True Stories of Crime From the District Attorney's Office
Arthur Train