span roof

noun

1. a roof having two slopes of equal breadth and pitch meeting at a common ridge.

span roof

noun

1. a roof consisting of two equal sloping sides

Word History and Origins

Origin of span roof¹

First recorded in 1815–25

Example Sentences

Ramp for animals into Noah’s Ark, bridge over chasms more reliable than the Golden Gate span, roof for airplane hangar, Davy Crockett’s log cabin, Christmas stable, cattle barn and pet turtle pen.

From Washington Post

Kilnhouse, New Village, N. J.—In constructing a kiln house for a cement works one story columns with bracket tops and 50-ft. span roof girders were molded on the ground and erected as single pieces.

From Project Gutenberg