1. Informal term for grandfather
   "The children loved visiting their granddaddy on the farm";
   - grandfather, gramps [informal], granddad [informal], grandad [informal], grandpa [informal], gramp [informal], grampy [informal], grandaddy [N. Amer, informal], grandpapa [archaic]
    
2. The first, or best, most important, or largest example of a particular thing
   "That old oak is the granddaddy of all the trees in the forest";
   - grandaddy [informal]

Derived forms: granddaddies

Type of: grandparent

Encyclopedia: Granddaddy