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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

object, physical object go
a tangible and visible entity

whole, unit go
an assemblage of parts that is regarded as a single entity

living thing, animate thing go
a living (or once living) entity

organism, being go
a living thing that has (or can develop) the ability to act or function independently

animal, animate being, beast, brute, creature, fauna go
a living organism characterized by voluntary movement

invertebrate go
any animal lacking a backbone or notochord

echinoderm
marine invertebrates with tube feet and five-part radially symmetrical bodies

noun.animal

6 Subcategories

starfish, sea star go
echinoderms characterized by five arms extending from a central disk
brittle star, brittle-star, serpent star go
an animal resembling a starfish with fragile whiplike arms radiating from a small central disc
basket star, basket fish go
any starfish-like animal of the genera Euryale or Astrophyton or Gorgonocephalus having slender complexly branched interlacing arms radiating from a central disc
sea urchin go
shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
crinoid go
primitive echinoderms having five or more feathery arms radiating from a central disk
sea cucumber, holothurian go
echinoderm having a flexible sausage-shaped body, tentacles surrounding the mouth and tube feet