The end-wall of a building on a side where there is a gable.(noun)
The Century Dictionary (Public Domain)
Use "gable-end" in a sentence
"The wooden walls of the house -- that is, its front and west gable-end -- are still protected from the sun by the roof (common to the house proper and the terrace)."
"Buildings that lack a solid foundation, such as mobile homes, are usually destroyed, and gable-end roofs are peeled off."
"The gable-end of the cottage was stained with wet, and the eavesdroppings flapped against the wall."