copestone

cope·stone  (kpstn)

n.

A capstone.

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[cope² + stone.]

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copestone

Noun

1. Also called: (coping stone) a stone used to form a coping

2. the stone at the top of a building or wall

Thesaurus

Noun	1.	copestone - a final touch; a crowning achievement; a culmination capstone, finishing touch touch - deftness in handling matters; "he has a master's touch"
	2.	copestone - a stone that forms the top of wall or building coping stone, capstone, stretcher stone - building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site" wall - an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure; "the south wall had a small window"; "the walls were covered with pictures"