1. Informal term for grandfather
   "The children loved visiting their grandpapa on the farm";
   - grandfather, gramps [informal], granddad [informal], grandad [informal], granddaddy [informal], grandpa [informal], gramp [informal], grampy [informal], grandaddy [N. Amer, informal]

Derived forms: grandpapas

Type of: grandparent

Encyclopedia: Grandpapa