• synonyms


  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.
Show More

Origin of copestone

First recorded in 1560–70; cope2 + stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for copestone

Historical Examples of copestone

  • Abruptly he swung his feet down from the copestone to the floor of the veranda.

    The Magnificent Ambersons

    Booth Tarkington

  • The horrid shrieks of the Chouette served to place the copestone on the fury of the Schoolmaster.

  • Then Mrs. Ross did something more wonderful than all this—the very climax and copestone of her unwonted melting of heart.


    Mrs. Oliphant

  • The justices and councilors of a supreme court, the copestone of the judiciary, were nominated by the same body.

    The Life of Napoleon Bonaparte

    William Milligan Sloane

  • It was reserved to his successor to raise it, as the martyr had predicted it would be raised, even to the copestone.

    The Scottish Reformation

    Alexander F. Mitchell

British Dictionary definitions for copestone


  1. Also called: coping stone a stone used to form a coping
  2. Also called: capstone the stone at the top of a building, wall, etc
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012