grandchild
nounUK /ˈɡræn.tʃaɪld/
US /ˈɡræn.tʃaɪld/
A grandchild is the child of your son or daughter.
She loves spending time with her grandchild every weekend.
RELATED WORDS
OTHER MEANINGS
2. A grandson or granddaughter considered collectively as descendants.
All her grandchildren gathered for the holiday dinner.
3. A person regarded as a descendant of a particular ancestor or group.
He is a grandchild of the town's first settlers.
4. In legal contexts, a child of one's child, sometimes including step-relations.
The will left a share to each grandchild.