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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

reptile, reptilian go
any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms

diapsid, diapsid reptile go
reptile having a pair of openings in the skull behind each eye

crocodilian reptile, crocodilian
extant archosaurian reptile

noun.animal

5 Subcategories

crocodile go
large voracious aquatic reptile having a long snout with massive jaws and sharp teeth and a body covered with bony plates
false gavial, Tomistoma schlegeli go
crocodile of southeast Asia similar to but smaller than the gavial
alligator, gator go
either of two amphibious reptiles related to crocodiles but with shorter broader snouts
caiman, cayman go
a semiaquatic reptile of Central and South America that resembles an alligator but has a more heavily armored belly
gavial, Gavialis gangeticus go
large fish-eating Indian crocodilian with a long slender snout