Wiktionary
n. (en-irregular plural of: stepchild)
WordNet
n. a child of your spouse by a former marriage
[also: stepchildren (pl)]
See stepchild
Usage examples of "stepchildren".
San Six is rightif the premen really are the mongrel stepchildren of Creation.
Nora lived with the two stepchildren her ex-husband had left behind when he hit the road two years earlier.
Sohegan was bordered on the north and south by the Ondaigas, craggy, undistinguished stepchildren to the more majestic Catskill Mountains to the east.
As they grew, he told them, and his stepchildren too, the story of King Yvorian who dwelled beneath a magic mountain far to the west.
The next step will be to overcome the intelligent races of the galaxy, some of them a by-product of Nature, some bastard stepchildren of an illegitimate union between Man and Nature, for many of them would not have had their annoying drives and ambitions without our guidance and example.