Definition of "great-grandchild" []

• The son or daughter of one's grandchild. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "A note from the jeweler explained that Mother had brought the bracelet in to have a new charm added for her latest great-grandchild, but she had never returned to get it."
• "Three weeks after finding out his next great-grandchild was on the way, my grandfather stepped into heaven."
• "We are both oldest grandchildren, and our daughter Hannah is the oldest great-grandchild on every side."