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A capstone.

[cope + stone.]


1. (Building) Also called: coping stone a stone used to form a coping
2. (Building) Also called: capstone the stone at the top of a building, wall, etc



1. the top stone of a building or other structure.
2. a stone used for or in coping.
3. the crown or completion; finishing touch.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.copestone - a final touchcopestone - a final touch; a crowning achievement; a culmination
touch - deftness in handling matters; "he has a master's touch"
2.copestone - a stone that forms the top of wall or building
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"


[ˈkəʊpstəʊn] N(piedra f de) albardilla f


(Archit) → Abdeckplatte f
(fig, of career etc) → Krönung f; (of theory)Schlussstein m
References in classic literature ?
The universe is finished; the copestone is on, and the chips were carted off a million years ago.
On opening the little door, two hairy monsters flew at my throat, bearing me down, and extinguishing the light; while a mingled guffaw from Heathcliff and Hareton put the copestone on my rage and humiliation.
First, you'll need to set a string line for the copestones. Place a stable copestone of the desired height at the end of the section you wish to cope.
After years of close calls and nearmisses, Flynn's old stomping ground at Solitude will soon be placing the copestone on its own revival under Tommy Breslin when the Gibson Cup eventually lands there this May.