Meaning of the word echinoderms in English

What does echinoderms mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

echinoderms

US /ɪˈkaɪnəˌdɜrmz/
UK /ɪˈkaɪnəˌdɜːmz/

Plural Noun

a phylum of marine invertebrates, including starfish, sea urchins, and sea cucumbers, having a spiny skin and a water vascular system

Example:
Starfish are fascinating examples of echinoderms.
Many echinoderms exhibit radial symmetry.