great grandfather

1. 1.

   a father of your grandparent

   Broadergreat grandparent

Questions about great grandfather

What does great grandfather mean?

great grandfather means "a father of your grandparent".

Is great grandfather a common word?

great grandfather is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.