八はっ角かっ形けいMeaningsNoun1. octagonOther readings八はっ角かく形けいKanji used八eight角angle形shapePitch accentはっかっけいComposed of八はっ角かくoctagon; star anise (Illicium verum); sailfin poacher (Podothecus sachi)Noun形けいform; adjective; i-adjective (in Japanese)SuffixExamples1止とまれの標ひょう識しきは日本にほんでは３さん角かく形けいだが、アメリカでは８はっ角かく形けいだ。A stop sign in Japan has 3 sides, whereas a stop sign in the U.S. has 8 sides.