cornerstone


cornerstone

Ceremonial building block, dated or otherwise inscribed, usually placed in an outer wall of a building to commemorate its dedication. Often the stone is hollowed out to contain newspapers, photographs, or other documents reflecting current customs, with a view to their historical use when the building is remodeled or demolished. Originally placed at a corner, the stone may today be placed elsewhere on the facade.

This entry comes from Encyclopædia Britannica Concise.
For the full entry on cornerstone, visit Britannica.com.

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