Noun
great-grandma (plural great-grandmas)
A great-grandmother.
Did the younger generation not recognize that child on the porch as their great-grandma? Source: Internet
She enjoyed spending time every summer with her cousins, aunt, grandma, and great-grandma in Thermopolis, Wyo. She enjoyed playing volleyball throughout her time attending Malta High School. Source: Internet
One of the highlights of her life was becoming a grandma and great-grandma. Source: Internet
I've started teaching my 3 and 5 year old boys to cook and look forward to introducing them to Great-Grandma Liebezeit's goulash and spaetzle. Source: Internet