The definition of a soffit is the underside of a piece of architecture.
An example of a soffit is the underside of an arch.
- the horizontal underside of an eave, cornice, etc.
- the intrados of an arch or vault
Origin of soffitFrench soffite from Italian soffitto from Vulgar Latin an unverified form suffictus, for Classical Latin suffixus: see suffix
The underside of a structural component, such as a beam, arch, staircase, or cornice.
Origin of soffitFrench soffite from Italian soffitto from Vulgar Latin suffīctus past participle of suffīgere to fasten beneath ; see suffix .