下綱 かこう Meanings Noun infraclass Kanji 下 down. Read as カ. 綱 rope. Read as コウ. Words containing 下綱 後獣下綱 (こうじゅうかこう) Metatheria (mammalian infraclass) 真獣下綱 (しんじゅうかこう) Eutheria (mammalian infraclass) 正獣下綱 (せいじゅうかこう) Eutheria (mammalian infraclass) Word lists Biology Jinuma: Japanese Dictionary · Word lists