1. (noun) pet
a domesticated animal kept for companionship or amusement
2. (noun) darling, favorite, favourite, pet, dearie, deary, ducky
a special loved one
3. (noun) pet
a fit of petulance or sulkiness (especially at what is felt to be a slight)
4. (adj) positron emission tomography, PET
using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain)
5. (verb) favored, favorite(a), favourite(a), best-loved, pet, preferred, preferent
preferred above all others and treated with partiality
"the favored child"
6. (verb) pet
stroke or caress gently
"pet the lamb"
7. (verb) pet
stroke or caress in an erotic manner, as during lovemaking
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Definition of 'PET' 
