We found 6 dictionaries that define the word copestones:

General (6 matching dictionaries)

1. copestones: Merriam-Webster
2. copestones: Collins English Dictionary
3. copestones: Vocabulary.com
4. copestones: Wiktionary
5. copestones: Dictionary.com
6. copestones: TheFreeDictionary.com

(Note: See copestone as well.)

Definitions from Wiktionary (copestone) ▸ noun:  capstone ▸ Also see copestone ▸ Words similar to copestones ▸ Usage examples for copestones ▸ Idioms related to copestones ▸ Wikipedia articles (New!) ▸ Popular adjectives describing copestones ▸ Words that often appear near copestones ▸ Rhymes of copestones ▸ Invented words related to copestones