Meaning of Echinoderm

English: Echinoderm
Hindi: शल्य चर्म, जानवरों की एक जाति जिसमें साही शामील है
Type: Unknown / অজানা / अज्ञात

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Definition: 1

any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea urchins, sea cucumbers, etc.

Definition: 2

any of the marine invertebrate animals constituting the phylum Echinodermata, characterized by tube feet, a calcite body-covering (test), and a five-part symmetrical body. The group includes the starfish, sea urchins, and sea cucumbers