the upper part of the end wall of a building, between the two sloping sides of the roof, that is like a triangle in shape 三角墙；山墙 
Word OriginMiddle English: via Old French from Old Norse gafl, of Germanic origin; related to Dutch gaffel and German Gabel ‘fork’ (the point of the gable originally being the fork of two crossed timbers supporting the end of the roof-tree).
