groin vault.

A vault formed by the intersection of two barrel vaults, creating diagonal edges.

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Words that belong together

• masonry groin vault

On the page

A groin vault covered the square chamber.

Light emphasized the diagonal edges of the groin vault.

Usage notes

Primary category: architecture. Forms: Singular groin vault; plural groin vaults. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.