Definition of "pet name" []

• A nickname, especially a name used by those in love with one another. (noun)

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• "That was the pet name Sheldon Keenes, our resident partner, had christened me with."
• "Pierre Janet, in his instructive book ( "Obsessions et Idées Fixes"), observes that one of his chronic patients gave him the pet name of "le remonteur de pendules," an expression which luminously describes the rôle of the physician of souls, who, tirelessly, day in, day out, lifts the burdens, and for a time breathes new life into the depressed."
• "In the first sitting, Leonard spelled out the pet name Gwyther had for his wife that she almost identified in a previous sitting: “Biddy.”"