Definition of "godsister"

Let's go back to the thirteen-year-old girl introduced in Chapter 8 who found out her godsister was her half sister.

2005, Diane Ehrensaft, Mommies, daddies, donors, surrogates

Before she met the man who became and remains her pimp, she was selling drugs with her godsister; he was one of their clients.

2007, Cynthia Cole Robinson, From the classroom to the corner

What seemed a promising turn in their relationship was dashed when he began introducing her to his friends as his godsister.

2009 August 23, Katie Zezima, “Leah Squires and Eric Traub”, in New York Times‎

"Mother, are you going to take her in as your goddaughter? I'm going to have a godsister? "

2020, Ruan Bao, Deep Affection of You and Me: Volume 1, Funstory