前口動物 ぜんこうどうぶつ Meanings Noun protostome See also: 旧口動物 (きゅうこうどうぶつ). Kanji 前 front. Read as ゼン. 口 mouth. Read as コウ. 動 move. Read as ドウ. 物 thing. Read as ブツ. Jinuma: Japanese Dictionary · Word lists