grandkid
[grand-kid]
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for grandkid
Contemporary Examples of grandkid
In Sutton, you're often described as the "Green boy" or "so and so's grandkid".
How 'The Little Way of Ruthie Leming' Taught Me It's OK to Love My HometownJustin Green
April 10, 2013