WordVale

cornerstone

/ˈkɔːrnərˌstəʊn/  ·  say it: KOR·ner·stone

a foundational stone, often laid ceremonially; a vital element

In Architecture & Design

In more detail

1. (noun) a stone that forms the corner of a building or wall

2. (noun) something that is essential or most important as a basis for something else

Examples

• 1. The cornerstone of the old fortress was carved with the date 1642.
• 2. Education is the cornerstone of a successful society.

Nearby in Architecture & Design

oculus, corbel, breezeway, curb appeal, gazebo, plumb