Meaning of “animal” - Learner’s Dictionary

animal

noun [ C ] uk us /ˈænɪməl/
NOT A HUMAN

A1 something that lives and moves but is not a person, bird, fish, or insect:

a wild animal
She's a real animal lover.
NOT A PLANT

B2 anything that lives and moves, including people, birds, etc:

Are humans the only animals to use language?
CRUEL PERSON informal

a very cruel and violent person

(Definition of “animal noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)