Etymology From grand- + parent. Compare French grand-parent.
1
The parent of someone's parent.
A 15-year-old orphan is being forced from the Arizona senior community where he lives with his grandparents after the homeowner’s association said it could face legal issues if he stayed.2020 January 16, Scottie Andrew, “An orphaned teen is being forced out of his grandparents’ senior community because he’s too young”, in CNN:
More than 140,000 US children have lost a parent or grandparent who takes care of them to Covid-19, CDC researchers reported Thursday, which is as many as one in 500 US kids.2021 October 8, Maggie Fox, “Covid-19 has taken the parents or grandparents of 140,000 US children, and minorities were hit harder”, in CNN: