What is Pet?

Pet definition and meaning on Dictionary terms:
any domesticated or tamed animal that is kept as a companion and cared for affectionately.
a person especially cherished or indulged; favorite: He was the teacher’s pet.

a thing particularly cherished.

kept or treated as a pet: a pet lamb.
especially cherished or indulged, as a child or other person.

favorite; most preferred: a pet theory.
showing fondness or affection: to address someone with pet words.

verb (used with object), pet