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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

mammal, mammalian go
any warm-blooded vertebrate having the skin more or less covered with hair

placental, placental mammal, eutherian, eutherian mammal go
mammals having a placenta

aquatic mammal
whales and dolphins

noun.animal

3 Subcategories

cetacean, cetacean mammal, blower go
large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales
sea cow, sirenian mammal, sirenian go
any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs
pinniped mammal, pinniped, pinnatiped go
aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers