copestone

[ kohp-stohn ]
/ ˈkoʊpˌstoʊn /

noun

the top stone of a building or other structure.
a stone used for or in coping.
the crown or completion; finishing touch.

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Origin of copestone

First recorded in 1560–70; cope2 + stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for copestone

British Dictionary definitions for copestone

copestone
/ (ˈkəʊpˌstəʊn) /

noun

Also called: coping stone a stone used to form a coping
Also called: capstone the stone at the top of a building, wall, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012