Definition of "great-grandchildren" []

• Plural form of great-grandchild. (noun)

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• "Although she had over 60 grandchildren and over 100 great-grandchildren, Helen took an interest in my own children."
• "Blessings and God's peace for your children - her great-grandchildren."
• "They – or their children and grandchildren and great-grandchildren – are among the one and a half million Palestinian refugees crammed into the cesspool of Gaza, 80 per cent of whose families once lived in what is now Israel."