배우자가 이전의 혼인이나 관계에서 낳은 아들
a son of one's spouse or partner from a previous marriage or relationship
예문:
"He maintains a close relationship with his stepson even after the divorce."
"She treated her stepson with as much love and care as her own biological children."
"The stepson inherited a portion of the estate according to the late father's will."