soffit

/ˈsɑfɪt/
noun
  1. The underside of a part of a building, such as an arch, balcony, or roof overhang.
    • We painted the soffit white to match the trim of the house.
    • Birds had built a nest under the soffit of the porch roof.
    • The carpenter installed vents in the soffit to improve attic airflow.
Synonyms
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