DictionarygableTriangular wall section
noun

gable

GAY-bul/ˈɡeɪbl/

The triangular upper part of a wall beneath a pitched roof.

A round window sits in the gable above the front door.

A simple house viewed almost straight toward its end wall, with a slight glimpse of one side.
Etymology

Old Norse gafl named the gable-end of a building. The selected English sense focuses on the wall rising from the eaves to the roof’s apex, which gives it its triangular shape.

In context

Our History4:18
Then next to it with the window on the first floor and the gable end facing us was the solar block.
Incredible £5 Million Restoration of a Medieval Tudor Manor House | Our History

More examples

  • The brick gable rises to a point beneath the roof.
  • Both gables have vents that let air into the attic.
  • We painted the wooden gable white to match the trim.

Forms

gable · gables

gabled adjective — Having one or more triangular wall sections.

Similar words

gable end
Can mean the entire end wall, not just its triangle.
pediment
Usually a decorative triangular feature above an entrance or window.