hydroid

Noun

Any of many colonial coelenterates that exist mainly as a polyp; a hydrozoan

Japanese Meaning

主にポリプとして存在する群体性の刺胞動物、ヒドロゾア類の一種。

The diver gently examined the glowing hydroid attached to the rock.

ダイバーは岩に付着した光る群体性刺胞動物のポリプをそっと調べた。

Sense（1）

Any of many colonial coelenterates that exist mainly as a polyp; a hydrozoan

hydroids

（ plural ）