Meanings
nouncopestone (plural copestones)
plural copestones
- capstone
The universe is finished; the copestone is on, and the chips were carted off a million years ago.
1851 November 14, Herman Melville, chapter 2, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC, page 101 more example
For small erections may be finished by their first architects ; grand ones, true ones, ever leave the copestone to posterity.
1851 November 14, Herman Melville, chapter 32, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC, page 159
Synonyms & antonyms
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
copestone. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/copestone
MLA
“copestone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/copestone. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “copestone,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/copestone.
Source: copestone on Wiktionary, CC BY-SA 4.0.