A window (or set of windows) set into a roof of a buildig in order to admit light / A light set into the roof of a motor vehicle

plural of roof light

Any roof with at least two pitches rising to form a peak, said peak in the form either of a ridge or a point. Types of pitched roof include: the open gable roof, box gable roof, Dutch gable roof, hip roof, jerkinhead roof, gambrel roof, mansard roof, saltbox roof, pyramid hip roof or any other polygonal hip roof; but do not include the shed roof, or the butterfly roof.

plural of peaked roof

A roof whose principal rafters meet at a right angle.

plural of square roof

plural of roof-plate

(construction) A wall plate that receives the lower ends of the rafters of a roof.

plural of span roof

A roof formed from inclined, planar ends and sides, joined at their edges to form hips, the longer sides forming a ridge at the top