倭わ国こくわこくFreq.FrequencyTop 100,000Meanings1nounJapan (historical name used in ancient China)historical termHistorical term for Japan as known in ancient Chinese texts. Not used in modern Japanese except in historical or academic contexts.『後ご漢かん書じょ』には「倭わ国こく」という名めい称しょうが登とう場じょうする。The name 'Wakoku' appears in the 'Book of the Later Han'.