jackstone

noun

jack·​stone

ˈjakˌstōn

1

: jack sense 2e (4)

—usually used in plural

2

: jack sense 2e (3)

Word History

Etymology

alteration of earlier chackstone, alteration of checkstone, singular of checkstones

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Kids Definition

jackstone

noun

jack·​stone

-ˌstōn

1

: jack entry 1 sense 4b

2

plural : jack entry 1 sense 4c