Webster's English Dictionary

Enter the word to look up:

zone

Cross references:
  1. frigid zone            2. temperate zone         3. torrid zone           
  
1. zone \'zo-n\ n [L zona belt, zone, fr. Gk zo-ne-; akin to Lith juosti]to 
   gird 1: any of five great divisions of the earth's surface with respect to 
   latit ude and temperature archaic  2: GIRDLE, BELT  3a: an encircling 
   anatomical structure  3b1: a subdivision of a biogeographic region that 
   supports a similar fauna  and flora throughout its extent 3b2: such a zone 
   dominated by a particular life form  3c: a distinctive belt, layer, or 
   series of layers of earth materials (as r ock) 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 pur pose : as 5a: a zoned 
   section of a city  5b: any of the eight concentric bands of territory 
   centered on a given post al shipment point designated as a distance bracket 
   for U.S. parcel post to which mail is charged at a single rate 5c: one of 
   the numbered sections into which a metropolitan area is divided  in the 
   U.S. postal system 5d: a distance within which the same fare is charged by 
   a common carrier  5e: an area on a field of play  5f: a stretch of roadway 
   or a space in which certain traffic regulations ar e in force
2. zone vt 1: to surround with a zone : ENCIRCLE  2: to arrange in or mark 
   off into zones; specif : to partition (a  city, borough, or township) by 
   ordinance into sections reserved for different purposes (as residence, 
   business, manufacturing)