noun, plural great-grand·children.

a grandchild of one's son or daughter.

Origin of great-grandchild

First recorded in 1745–55 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for great-grandchild

Contemporary Examples of great-grandchild

  • Zara gave birth last week to the 7lb 12oz girl, who is 16th in line to the throne and is the Queen's fourth great-grandchild.

    The Daily Beast logo
    Zara's Royal Baby Named Mia Grace

    Tom Sykes

    January 23, 2014

Historical Examples of great-grandchild