n.
- an area distinguished on the basis of a particular characteristic, use, restriction, etc.
▸
(also time zone)
a range of longitudes where a common standard time is used.
- chiefly Botany & Zoology an encircling band or stripe of distinctive colour, texture, etc.
- archaic a belt or girdle.
v.
- divide into or assign to zones.
- archaic encircle as or with a band or stripe.
-
(zone out)
N. Amer. informal fall asleep or lose concentration.
Derivative
Etymology
ME: from Fr., or from L. zona ‘girdle’, from Gk zōnē.