Definition of zone:

part of speech: noun

A circular belt or girdle; one of the five great divisions of the earth with respect to latitude and temperature, marked out by the two tropics and the polar circles, and respectively named the torrid zone, north temperate zone, south temperate zone, north frigid zone, and south frigid zone; in math., the portion of the surface of a sphere included between two parallel planes; a band or stripe running round any object; a band or area encircling anything; circumference.

Word of the day


The act of propelling or driving forward. ...