a domestic or tamed animal kept for companionship or pleasure

the pony was a family pet

they don't let us keep pets

a pet shop

used as an affectionate form of address

don't cry, pet, it's all right

(of an animal) kept as a pet

a pet cat

denoting something that one devotes special attention to or feels particularly strongly about

another of her pet projects was the arts centre

stroke or pat (an animal) affectionately

the cats came to be petted

engage in sexually stimulating caressing and touching

couples necking and petting in cars

a fit of sulking or ill humour

Mother's in a pet

pretty.

a synthetic resin made by copolymerizing ethylene glycol and terephthalic acid, widely used to make polyester fibres

polyethylene terephthalate

positron emission tomography, a form of tomography used especially for brain scans