Cornerstone

(redirected from cornerstones)
Also found in: Dictionary, Thesaurus, Legal.

cornerstone

[′kȯr·nər‚stōn]
(building construction)
An inscribed stone laid at the corner of a building, usually at a ceremony.

Cornerstone

A stone that is situated at a corner of a building uniting two intersecting walls, usually located near the base and often carrying information about the structure.

cornerstone

cornerstone
1. A stone that forms a corner or angle in a structure.
2. A stone prominently situated near the base of a corner in a building,