Definition, Meaning & Synonyms

archstone

Noun

ˈɑːrk.stoʊn

Definition

A stone used as a keystone in an arch, which is critical to the structure’s stability.

Examples

The ancient bridge was built with an impressive archstone that has stood the test of time.
During the restoration, they carefully replaced the missing archstone to maintain the integrity of the arch.
Architects consider the archstone’s shape and size vital for the stability of the entire design.

Meaning

Archstone refers specifically to the central stone at the top of an arch. It is crucial as it locks the arch together and distributes weight evenly throughout the structure.