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
