any structure with a construction footprint of more than 2,500 square feet. (8) Open space and passive recreation uses, provided that no more than 5,000 square feet of the 100-foot buffer area is cleared. (b) *Prohibited uses in resource
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 Onancock’s own text settles what this covers.