Definitions of copestone
  1. noun
    a stone that forms the top of wall or building
    synonyms: capstone, coping stone, stretcher
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    type of:
    building material consisting of a piece of rock hewn in a definite shape for a special purpose
  2. noun
    a final touch; a crowning achievement; a culmination
    synonyms: capstone, finishing touch
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    type of:
    deftness in handling matters
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