Definition of "Pawpaw"

She had enjoyed a happy childhood, but her one consistent ambition was to join her Pawpaw's law firm.

2000, John R. Campbell, Dry Rot in the Ivory Tower: A Case for Fumigation, Ventilation, and Renewal of the Academic Sanctuary

Finding Adam playing with his favorite toy truck on the floor beside her prostrate father. Adam had looked up and scampered to her. "Pawpaw's takin' a nap," he'd said. But Talia had known from her father's odd posture that he wasn't napping.

2008, Sandra Marton, Sarah Mayberry, Emilie Rose, Hot City Nights, Harlequin