a person's grandfather
My grandpa tells the best bedtime stories.
Grandpa taught me how to fish last summer.
✦ A shortening of 'grandpapa', from 'grand' (meaning great or eldest) + 'papa' (child's word for father).
the mother or father of one's parent.
My grandparents always bake cookies for family gatherings.
She learned how to knit from her grandparent.
✦ From English grand + parent; attested from the early 19th century.
