A. “Townhouse” means a one-family dwelling unit which is part of a group of two or more such units separated by a common party wall having no doors, windows or other provisions for human passage or visibility. Each one-dwelling unit shall be attached by not more than two party walls.

B. “Townhouse group” means a cluster or grouping of townhouse units containing not less than two nor more than six individual townhouse dwelling units contiguous to one another. (Ord. 691 §32 (part), 1984).