(pet) noun
1. A tame, fondled animal.
2. Any loved and cherished creature; also, a favorite: teacher's pet.
—adjective
1. Being a pet; indulged and fondled: a pet cat.
2. Regarded as a favorite; cherished: my pet hobby.
—v. pet·ted, pet·ting
—v.t.
1. Rare To treat as a pet; indulge.
2. To stroke or caress.
—v.i.
3. U.S. Slang To make love by kissing and caressing. See synonyms under PAMPER, CARESS. [<dial. E (Scottish),? back formation <PETTY, in affectionate use]

(pet) noun
A fit of pique or ill temper; peevish mood. [<obs. to take the pet take offence, sulk; origin uncertain]