n.[U]

1. 地方分权（制）
2. 地区性，地区特征
3. 地方主义，乡土观念
4. 方言，土话；地区的习俗
5. （文艺中的）地方色彩，乡土风味
   the regionalism of American writing

   美国作品的地方色彩

n.

1. the theory or practice of regional rather than central systems of administration or economic, cultural, or political affiliation.
2. a linguistic feature peculiar to a particular region.