copestone

noun
cope·​stone | \ˈkōp-ˌstōn \

Definition of copestone 

1 : a stone forming a coping

2 : a finishing touch : crown

First Known Use of copestone

1567, in the meaning defined at sense 1

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Dictionary Entries near copestone

Copernicus

coperose

copesmate

copestone

Copey oak

coph

cophasal

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The first known use of copestone was in 1567

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