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Webster 1913 Edition


Echinoderm

E-chin′o-dermˊ

,
Noun.
(Zoöl.)
One of the Echinodermata.

Definition 2024


echinoderm

echinoderm

English

Noun

echinoderm (plural echinoderms)

  1. Any member of the Echinodermata, a group of radially symmetric, spiny-skinned marine animals. Examples of echinoderms include seastars, sea urchins, sea cucumbers, crinoids, and sand dollars.

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