Definition, Meaning & Synonyms

capstone

noun
/ˈkæp.stoʊn/
Definition
A capstone is a stone that forms the top of a wall or building.
Examples
  • The architect chose a unique capstone for the new library.
  • Completing the graduation project was the capstone of her academic career.
  • The capstone of the pyramid was missing, leaving the structure incomplete.
Meaning
In a broader sense, capstone refers to a high point or crowning achievement in a process or project.
Synonyms
  • crowning achievement
  • pinnacle
  • summit