[n] using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain)
[n] a domesticated animal kept for companionship or amusement
[n] a fit of petulance or sulkiness (especially at what is felt to be a slight)
[n] a special loved one
[adj] preferred above all others and treated with partiality; "the favored child"
[v] stroke or caress in an erotic manner, as during lovemaking
[v] stroke or caress gently; "pet the lamb"