capstone

American  

[kap-stohn] / ˈkæpˌstoʊn /

noun

1. a finishing stone of a structure.

2. the crowning achievement, point, element, or event.

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capstone British  

/ ˈkəʊpˌstəʊn, ˈkæpˌstəʊn /

noun

1. one of a set of slabs on the top of a wall, building, etc

2. mountaineering a chockstone occurring at the top of a gully or chimney

3. a crowning achievement; peak

   the capstone of his career

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Etymology

Origin of capstone

1350–1400; Middle English. See cap ¹, stone

Example Sentences

Her 2017 debut album, “Los Ángeles,” was a collection of updated interpretations of traditional flamenco pieces that essentially served as a capstone to her years of study at the Catalonia College of Music.

From The Wall Street Journal

The idea of both parties waiting to build a career or wealth before tying the knot is called a capstone model of marriage.

From The Wall Street Journal

Their plan is for the movie to be the capstone for the current cast.

From The Wall Street Journal

Anderson knew if he could confirm the ownership, it would be a boon — perhaps a capstone to his legacy as a watchmaker and collector.

From Los Angeles Times

After months of making do, the seniors’ graduation ceremony on a stage reserved for stars served as a capstone, illustrating their resilience.

From Los Angeles Times

Related Words

• height
• pinnacle
• summit
• top