やまとこっか 大和国家 LinksSentence search for 大和国家Sentence search for やまとこっかKanji details for 大, 和, 国 and 家Edit in JMdict Noun1. Yamato state; Yamato polity; earliest known Japanese polity founded between the 4th and 7th centuriesHistorical term Discussions Log in to talk about this word.