Definition of zone
1 a
:any of five great divisions of the earth's surface with respect to latitude and temperature — compare frigid zone, temperate zone, torrid zone
b
:a portion of the surface of a sphere included between two parallel planes
3 a
:an encircling anatomical structure
b (1)
:a subdivision of a biogeographic region that supports a similar fauna and flora throughout its extent
(2)
:such a zone dominated by a particular life form
c
:a distinctive belt, layer, or series of layers of earth materials (such as rock)
4
:a region or area set off as distinct from surrounding or adjoining parts
5
:one of the sections of an area or territory created for a particular purpose: such as
a
:a zoned section of a city
b (1)
:any of the eight concentric bands of territory centered on a given postal shipment point designated as a distance bracket for U.S. parcel post to which mail is charged at a single rate
(2)
:a distance within which the same fare is charged by a common carrier
c
:an area on a field of play
d
:a stretch of roadway or a space in which certain traffic regulations are in force
6
:zone defense
7
:a temporary state of heightened concentration experienced by a performing athlete that enables peak performance
- players in the zone
