Synset

marine invertebrates with tube feet and five-part radially symmetrical bodies
<noun.animal>

semantic pointers

hypernym

part meronym

water vascular system ambulacrum tube foot

member holonym

Echinodermata, phylum Echinodermata

hyponym

starfish, sea star brittle star, brittle-star, serpent star basket star, basket fish sea urchin crinoid sea cucumber, holothurian