echinoderm | ||
1. | [ noun ] (zoology) marine invertebrates with tube feet and calcite-covered five-part radially symmetrical bodies | |
Related terms: | invertebrate sea_cucumber sea_urchin starfish brittle_star basket_star crinoid Echinodermata tube_foot ambulacrum water_vascular_system | |
Similar spelling: |
Echinodermata Echinoidea |