• noun:   a domesticated animal kept for companionship or amusement
• noun:   a fit of petulance or sulkiness (especially at what is felt to be a slight)
• noun:   using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain)
• noun:   a special loved one
• verb:   stroke or caress in an erotic manner, as during lovemaking
• verb:   stroke or caress gently

  Example: "Pet the lamb"

• adjective:   preferred above all others and treated with partiality

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