—n. 1. any domesticated or tamed animal that is kept as a companion and cared for affectionately.
2. a person especially cherished or indulged; favorite: He was the teacher's pet. 3. a thing particularly cherished.
—adj. 1. kept or treated as a pet: a pet lamb. 2. especially cherished or indulged, as a child or other person.
3. favorite; most preferred: a pet theory. 4. showing fondness or affection: to address someone with pet words.
—v.t. 1. to treat as a pet; fondle or indulge.
2. Informal.to fondle or caress amorously.
—v.i. Informal.to engage in amorous fondling and caressing.
Pronunciation: (pet),[key] —n. a fit of peevishness, sulking, or bad mood.
—v.i. to be peevish; sulk.
Pronunciation: (pet),[key] positron emission tomography. Cf. PET scan.