soffit
ˈsɒfɪt
Definitions
1. noun
A molding or cornice that forms the lower edge of a roof, often covering the rafter ends and providing a decorative finish.
“The homeowner decided to replace the old, worn-out soffit with a new, vinyl one to improve the house’s curb appeal.”
2. noun
The underside of a roof or bridge, especially when it is visible from the ground.
“The soffit of the bridge was damaged in the recent storm, and the engineers had to inspect it before declaring it safe for use.”