棘皮動物 きょくひどうぶつ Meanings Noun echinoderm Kanji 棘 thorn; splinter; spine. Read as キョク. 皮 skin 動 move. Read as ドウ. 物 thing. Read as ブツ. Words containing 棘皮動物 棘皮動物門 (きょくひどうぶつもん) Echinodermata (phylum of marine invertebrates) Jinuma: Japanese Dictionary · Word lists