intrados.

The inner or lower curved surface of an arch or vault.

Use it for

Words that belong together

• arch intrados
• vault intrados

On the page

Soot blackened the intrados.

Painted stars covered the vault’s intrados.

Usage notes

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