Vocabulary What does カ国 (かこく, kakoku) mean? カ国 (かこく, kakoku) means counter for countries. Quick factsReadingかこくRomajikakokuPart of speechcounter カ国かこくkakokucounter for countries1counter counter for countriesAlso written: ヶ国、か国、ヵ国Kanji in this word国country, nation