English edit

Etymology edit

step- +‎ grandchild

Noun edit

stepgrandchild (plural stepgrandchildren)

  1. The stepchild of one's own child.
    • 2007 February 7, Matthew L. Wald, “M. Lamar Muse, 86, Dies; Led Southwest Airlines”, in New York Times[1]:
      Other survivors are [] three grandchildren; one great-grandchild; two stepdaughters; and two stepgrandchildren.
  2. The grandchild of one's wife or husband by a previous partner, or the child of one's stepchild.

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