echinoderm
English Thesaurus
1. marine invertebrates with tube feet and five-part radially symmetrical bodies (noun.animal)
| hypernym | : | invertebrate, |
| definition | : | any animal lacking a backbone or notochord; the term is not used as a scientific classification (noun.animal) |
| hyponym | : | sea star, starfish, |
| definition | : | echinoderms characterized by five arms extending from a central disk (noun.animal) |
| hyponym | : | basket fish, basket star, |
| definition | : | any starfish-like animal of the genera Euryale or Astrophyton or Gorgonocephalus having slender complexly branched interlacing arms radiating from a central disc (noun.animal) |
| hyponym | : | sea urchin, |
| definition | : | shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells (noun.animal) |
| hyponym | : | crinoid, |
| definition | : | primitive echinoderms having five or more feathery arms radiating from a central disk (noun.animal) |
| hyponym | : | holothurian, sea cucumber, |
| definition | : | echinoderm having a flexible sausage-shaped body, tentacles surrounding the mouth and tube feet; free-living mud feeders (noun.animal) |
| part holonym | : | water vascular system, |
| definition | : | system of fluid-filled tubes used by echinoderms in locomotion and feeding and respiration (noun.animal) |
| part holonym | : | ambulacrum, |
| definition | : | one of the five areas on the undersurface of an echinoderm on which the tube feet are located (noun.animal) |
| part holonym | : | tube foot, |
| definition | : | tentacular tubular process of most echinoderms (starfish and sea urchins and holothurians) having a sucker at the end and used for e.g. locomotion and respiration (noun.animal) |
| member meronym | : | echinodermata, phylum echinodermata, |
| definition | : | radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers (noun.animal) |
Visual ArtiKata
Explore echinoderm in ArtiKata.com >