[Ord. 672]
(a) 
Average Width. Average width shall mean the average width of a portion of a lot or parcel of land which portion has been the required area, or the average width of that portion of an irregularly shaped lot or parcel of land which portion is determined by the director to be an adequate building site.
(b) 
Required Width. As used in this title, "required width" shall mean the average width of a lot, or parcel of land the right of possession of which, by virtue of a deed duly recorded, or by a recorded contract of sale, is vested in a person who neither owns nor has the right of possession of any contiguous parcel of property.