Noun
A brother by the marriage of one's father with the mother of another, or of one's mother with the father of another.
Source: Webster's dictionaryWe got into all the trouble you could ever imagine. We figured that if the Jones boys and all the gangsters ran Chicago, we had our own territory now. All the stores, all the crime, we were in charge of everything, my stepbrother and my brother. Quincy Jones
After this initial training, as a demonstration of their bond and his generosity, René hands O to his elder stepbrother Sir Stephen, a more severe master. Source: Internet
Cain takes out his frustrations and insecurities on his stepbrother. Source: Internet
He lived with his mother, Sharon Melissa Byers, his stepfather, John Mark Byers, and his stepbrother, Shawn Ryan Clark, aged 13. According to his mother, Christopher was a typical eight-year-old. Source: Internet
Also at the funeral were Jessi's stepsister, Jacque, and stepbrother, Jeff. Source: Internet
Seventeen-year-old Jon Evans lives with his stepmother and stepbrother in the privileged enclave of Sexton, Tenn. His own mother, along with his sister and her husband, live nearby in the "grubber" town of White Birch. Source: Internet