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jambstone

American

[jam-stohn] / ˈdʒæmˌstoʊn /

noun

Masonry.

a stone, or one of the stones, forming one jamb of an opening.

Etymology

Origin of jambstone

First recorded in 1815–25; jamb ¹ + stone

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.