Definition: (anatomy) any encircling or beltlike structure
Main entry: zone
Definition: an area or region distinguished from adjacent parts by a distinctive feature or characteristic
Main entry: geographical zone, zone
Definition: any of the regions of the surface of the Earth loosely divided according to latitude or longitude
Main entry: zone
Definition: a locally circumscribed place characterized by some distinctive features
Definition: separate or apportion into sections
Usage: partition a room off
Definition: regulate housing in; of certain areas of towns