'Regional' definitions:

Definition of 'regional'

(from WordNet)
adjective
Characteristic of a region; "regional flora"
adjective
Related or limited to a particular region; "a regional dialect"

Definition of 'Regional'

From: GCIDE
  • Regional \Re"gion*al\ (-al), a. Of or pertaining to a particular region; sectional. [1913 Webster]

Synonyms of 'regional'

From: Moby Thesaurus