형제나 자매의 딸, 또는 배우자의 형제자매의 딸.
A daughter of one's brother or sister, or of one's brother-in-law or sister-in-law.
예문:
"My brother's daughter, Sarah, is my favorite niece."
"She always buys her niece a special gift for her birthday."
"We spent the weekend babysitting our niece and nephew."