Noun: echinoderm i'kI-nu,durm or i'ki-nu,durm
- Marine invertebrates with tube feet and five-part radially symmetrical bodies
"Sea stars and sea urchins are well-known examples of echinoderms"
Derived forms: echinoderms
Type of: invertebrate
Part of: Echinodermata, phylum Echinodermata
Encyclopedia: Echinoderm