正獣下綱 せいじゅうかこう Meanings Noun Eutheria (mammalian infraclass) See also: 真獣下綱 (しんじゅうかこう). Kanji 正 correct. Read as セイ. 獣 beast. Read as ジュウ. 下 down 綱 rope. Read as コウ. Jinuma: Japanese Dictionary · Word lists