great grandson

1. 1.

   a son of your grandson or granddaughter

   Broadergreat grandchild

Questions about great grandson

What does great grandson mean?

great grandson means "a son of your grandson or granddaughter".

Is great grandson a common word?

great grandson 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.