noun
eighth dan; 8th dan
Used in martial arts (judo, kendo, etc.), board games (go, shogi), and other ranking systems to denote the eighth level of mastery.
彼は柔道で八段を取得した。
He earned the eighth dan in judo.
将棋の八段は非常に高い段位だ。
The eighth dan in shogi is a very high rank.