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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

chordate go
any animal of the phylum Chordata having a notochord or spinal column

vertebrate, craniate go
animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

aquatic vertebrate
animal living wholly or chiefly in or on water

noun.animal

3 Subcategories

jawless vertebrate, jawless fish, agnathan go
eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
placoderm go
fish-like vertebrate with bony plates on head and upper body
fish go
any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills