0 the father of a person's mother or father -- (外)祖父
Her grandfather on her mother's side was Italian. 她外祖父是義大利人。
[ as form of address ] formal or old-fashioned Let me help you, Grandfather. 爺爺,讓我來幫你。
This pen that my grandfather gave me is one of my most treasured possessions.
My grandfather has a profound mistrust of anything new or foreign.
He said that he was going to stick with the traditions established by his grandfather.
Both grandfathers were scientists - in addition to being artists and fishers of men.
The vast majority of the small numbers of male carers mentioned were grandfathers.
The house in which she was born, cared for her parents until they died, and still lives, was built by her grandfather.