Gable
Gable , noun
A cable. [Archaic] — Chapman
Gable , noun
[Old English gable, gabil, French gable, from Late Latin gabalum front of a building, prob. of German or Scand. origin; compare Old High German gibil, German giebel gable, Icelandic gafl, Gothic gibla pinnacle; perh. akin to Greek {not transcribed} head, and English cephalic, or to German gabel fork, Anglo-Saxon geafl, English gaffle, Latin gabalus a kind of gallows.]
(a)
(Architecture) The vertical triangular portion of the end of a building, from the level of the cornice or eaves to the ridge of the roof. Also, a similar end when not triangular in shape, as of a gambrel roof and the like.
(b)
(Architecture) The end wall of a building, as distinguished from the front or rear side.
(c)
(Architecture) A decorative member having the shape of a triangular gable, such as that above a Gothic arch in a doorway.