刺胞动物

[ noun ]
hydras; polyps; jellyfishes; sea anemones; corals
<noun.animal>

Cnidaria \Cni*da"ri*a\ (n[i^]*d[=a]"r[i^]*[.a]), n. pl. [NL. See
{Cnida}.] (Zo["o]l.)
A comprehensive group equivalent to the true C[oe]lenterata,
i. e., exclusive of the sponges. They are so named from
presence of stinging cells (cnidae) in the tissues. See
{Coelenterata}.