of the side yard regulations, a building containing multiple uses such as a two-family dwelling , townhouse cluster, or a multiple-dwelling shall provide the same side yard as any other single building occupying one lot. (2) **Dwelling
Read it in the chapter →How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only South Hill’s own text settles what this covers.