zone

noun

1.
a locally circumscribed place characterized by some distinctive features
bystead sociotope
Derived from:
zonary zone
2.
any of the regions of the surface of the Earth loosely divided according to latitude or longitude
geographical zone
Derived from:
zonary
3.
an area or region distinguished from adjacent parts by a distinctive feature or characteristic
Derived from:
zonary zone
4.
(anatomy) any encircling or beltlike structure
zona