(a) "Building" means any structure having a roof supported by columns or by walls and intended for the shelter, housing or enclosure of persons, animals or materials.
(b) "Front line of building" means the line of that face of the building nearest the front line of the lot. This face includes sun parlors and covered back porches whether enclosed or unenclosed but does not include steps.
(c) "Height of building" means the vertical distance from the average established grade to the highest point of the coping of a flat roof or to the deck line of a mansard roof, or to the mean height level between eaves and ridge for gable, hip and gambrel roofs.
(d) "Principal building" means a building in which is conducted the main or principal use of the lot on which such building is situated. (Ord. 22-87. Passed 5-11-87.)