棘きょく皮ひ動どう物ぶつ

きょ

く

ひ

ど

う

ぶ

つ

Meanings

1

noun

echinoderm

Zoological term for marine invertebrates such as starfish, sea urchins, and sea cucumbers. Used in scientific and educational contexts.

ヒトデやウニは棘きょく皮ひ動どう物ぶつに分ぶん類るいされる。
Starfish and sea urchins are classified as echinoderms.

thorn, splinter, spine

皮pelt, skin, hide

動move, motion, change

物thing, object, matter

Etymology

From 棘 (thorn, spine) + 皮 (skin) + 動物 (animal), a calque of the taxonomic name Echinodermata (from Greek ekhinos 'hedgehog, sea urchin' + derma 'skin').