n a domesticated animal kept for companionship or amusement
n a special loved one
n a fit of petulance or sulkiness (especially at what is felt to be a slight)
n using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain)
v stroke or caress gently
v stroke or caress in an erotic manner, as during lovemaking
abbr. 公共英语等级考试（Public English Tset System）