ZONE

zone. 1. An area that is different or is distinguished from surrounding areas < zone of danger>.2. An area in a city or town that, through zoning regulations, is under particular restrictions as to building size, land use, and the like <the capitol is at the center of the height-restriction zone>. [Cases: Zoning and Planning  31. C.J.S. Zoning and Land Planning §§ 40, 42.]

holding zone.Temporary, low-density zoning used until a community determines how the area should be rezoned.
[Blacks Law 8th]