Echinoderm

noun

Word Frequency: 0.1

Definitions

1.nounAn animal of the phylum Echinodermata, comprising radially symmetric, spiny-skinned marine animals including seastars, sea urchins, sea cucumbers, crinoids, and sand dollars.

Synonyms

echinoid echinid echinometrid echinasterid euechinoid echinacean sea urchin echinus echinothurioid echinite heart urchin asterozoan

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