Saddleback

a.	1.	Same as Saddle-backed. Saddleback roof (Arch.) See Saddle roof, under Saddle.
n.	1.	Anything saddle-backed; esp., a hill or ridge having a concave outline at the top.
	2.	(Zool.) The harp seal.

Noun	1.	saddleback - a pass or ridge that slopes gently between two peaks (is shaped like a saddle) Synonyms: saddle
	2.	saddleback - a double sloping roof with a ridge and gables at each end Synonyms: gable roof, saddle roof, saddleback roof

mountain pass, notch, pass, saddle