周防すおうすおうFreq.FrequencyTop 50,000Meanings1nounSuō Provincehistorical termHistorical province name; refers to the area that is now the southeastern part of Yamaguchi Prefecture. Used in historical contexts.周防国すおうのくには、現げん在ざいの山やま口ぐち県けん南なん東とう部ぶにあたる。