
1) Architectural element
Found on
https://www.crosswordclues.com/clue/saddle-roof

Saddle roof has two meanings, one modern and one historical. The modern meaning is a roof form which follows a convex curve about one axis and a concave curve about the other. The hyperbolic paraboloid form has been used for roofs at various times since it is easily constructed from straight sections of lumber, steel, or other conventional materia...
Found on
http://en.wikipedia.org/wiki/Saddle_roof

In architecture a saddle roof (or saddleback roof) is a roof having two gables and one ridge. The term is generally said of such a roof when it is used in places where a different form is more common, for example in the case of a tower surmounted by a saddle roof.
Found on
http://www.probertencyclopaedia.com/browse/TS.HTM
No exact match found.