A beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters. Synonyms:ridge, ridgepole.
... Alba, "if the earth opened, and took us, it would be kinder; it would bury us at least under our own rooftree." ... — The Waters of Edera • Louise de la Rame, a.k.a. Ouida