Pet

a domesticated animal kept for companionship or amusement

a special loved one

a fit of petulance or sulkiness (especially at what is felt to be a slight)

using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain)

stroke or caress gently

stroke or caress in an erotic manner, as during lovemaking

preferred above all others and treated with partiality