stepgrandchild (English, noun)
expansion: stepgrandchild (plural stepgrandchildren)
Senses:
glosses: The stepchild of one's own child.
glosses: The grandchild of one's wife or husband by a previous partner, or the child of one's stepchild.
Forms:
form: stepgrandchildren
tags: plural
form: step-grandchild
tags: alternative