grandparent
US /ˈɡræn.per.ənt/
UK /ˈɡræn.per.ənt/

1.
grand-parent, grands-parents
a parent of one's father or mother; a grandmother or grandfather.
:
•
My grandparents are visiting us next week.
Mes grands-parents nous rendent visite la semaine prochaine.
•
She loves spending time with her grandparents.
Elle adore passer du temps avec ses grands-parents.