Cornerstone Definition
kôrnərstōn
cornerstones
noun
cornerstones
A stone at the corner of a building uniting two intersecting walls; a quoin.
American Heritage
A stone that forms part of the corner of a building; esp., a foundation stone of this kind, often inscribed, laid at a ceremony that marks the beginning of building.
Webster's New World
The basic, essential, or most important part; foundation.
Webster's New World
Other Word Forms of Cornerstone
Noun
Singular:
cornerstone
Plural:
cornerstonesCornerstone Is Also Mentioned In
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