Definition of copestone in English:

copestone

Pronunciation /ˈkōpˌstōn/ /ˈkoʊpˌstoʊn/

See synonyms for copestone

Translate copestone into Spanish

noun

  • 1A flat stone forming part of the coping of a wall.

    ‘In the cathedral of Vienna, the architect of the fifteenth-century Chapel of St. Barbara doubled the effect by fashioning two instances of the hanging copestones supported by flying ribs - one in each of its two bays.’
    • ‘For small erections may be finished by their first architect; grand ones, true ones, ever leave the copestone to posterity.’
    1. 1.1The highest stone in a building, wall, or structure.
      ‘In 1870 (or 1871 depending on the source material), lightning struck the spire, dislodging a coping stone.’
      • ‘Inspection covers for the arches have been removed on occasions and coping stones weighing half a ton or more have been pushed off.’
      • ‘But in the absence of a CDS, this structure is like an arch without a coping stone.’
      • ‘Suddenly the coping stones of the archway came down.’
      • ‘The water level was about six feet below the bank coping stones, but during the deluge the water level rose so much that it completely covered the banking.’
    2. 1.2A finishing touch or crowning achievement.
      ‘The universe is finished the copestone is on, and the chips were carted off a million years ago.’
      • ‘Far from the first attack, it was the copestone of eight years marked, roughly annually, by attempted or successful terrorist operations.’

Origin

Mid 16th century from cope + stone.