Zonal

['zəʊnəl] or ['zonl]

(adj.) associated with or divided into zones; 'a zonal pattern of cell structure'; 'zonal division' .

(adj.) relating to or of the nature of a zone; 'the zonal frontier' .

Typed by Julie--From WordNet

(a.) Of or pertaining to a zone; having the form of a zone or zones.

Checker: Max