Meaning Of The Word Echinoderm

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Echinoderm Meaning

Echinoderm Definition
Echinoderm Definition

What's The Definition Of Echinoderm?

echinoderm in American English
any of a phylum (Echinodermata) of marine animals with a water-vascular system, and usually with a hard, spiny skeleton and radial body, including the starfishes and sea urchins
noun: 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

echinoderm in British English
noun: 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

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