regionalism
noun uk/ˈriː.dʒən.əl.ɪ.zəm/ us/ˈriː.dʒən.əl.ɪ.zəm/
[ U ] politics 地方分权主义
a feeling of loyalty to a particular part of a country and a wish for it to be more politically independent
[ C ] language 土话;方言词语;地方习俗
a phrase, custom, etc. that is used or found only in a particular part of a country or area
"Spider" is a New England regionalism for a type of frying pan. “蜘蛛”是新英格兰地区对一种煎锅的俗称。