as shown on the zoning map, the following uses shall be permitted: 1. Any use permitted in an A residence zone ; 2. Dwelling houses for not more than six (6) dwelling units in any one (1) detached building or attached group of
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 Norton’s own text settles what this covers.