A grandpa is a male parent's father or a father's father. He is the grandfather of a child or the son of one's father.
"Grandpa" Examples
Usage Examples of "Grandpa"
My grandpa used to tell me stories about his childhood when I was a kid. I'm going to visit my grandpa tomorrow and help him with his gardening. My grandpa was a kind and gentle person, always ready with a warm smile. I miss my grandpa, who passed away last year. He was my closest friend. My grandpa used to own a small bakery in the town where he grew up.