Meaning Of The Word Echinoderm

Real Dictionary

What's the definition of Echinoderm? Find Echinoderm meanings, definitions and more at the Real Dictionary online.

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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