- a granddaughter of one's nephew or niece.
Origin of great-grandniece
Examples from the Web for great-grandniece
Historical Examples of great-grandniece
Perhaps I could persuade them that the great-grandniece of Cassius Cato would be a deserving object of their consideration.Kit of Greenacre Farm
He could not offer to do so till he came back from his great-grandniece Constance's wedding at Cowcester.A Likely Story
William De Morgan
A few days ago a great-grandniece was sent to me, a child under ten years old, that has no other relative.Laboulaye's Fairy Book