copestone

Definitions of copestone
1

n a stone that forms the top of wall or building

Synonyms:
capstone, coping stone, stretcher
Type of:
stone
building material consisting of a piece of rock hewn in a definite shape for a special purpose

n a final touch; a crowning achievement; a culmination

Synonyms:
capstone, finishing touch
Type of:
touch
deftness in handling matters

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