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copestone

Syllabification: cope·stone
Pronunciation: /ˈkōpˌstōn
 
/

Definition of copestone in English:

noun

1A flat stone forming part of the coping of a wall.
Example sentences
  • 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.
1.1The highest stone in a building, wall, or structure.
Example sentences
  • 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.
1.2A finishing touch or crowning achievement.
Example sentences
  • 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 cope2 + stone.

Definition of copestone in:

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