grandchild

noun
UK /ˈɡræn.tʃaɪld/
US /ˈɡræn.tʃaɪld/

A grandchild is the child of your son or daughter.

She loves spending time with her grandchild every weekend.


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.