Definitions of niece

1. A relative, in general; especially, a descendant, whether male or female; a granddaughter or a grandson.

2. A daughter of one's brother or sister, or of one's brother- in- law or sister- in- law.

3. The daughter of one's brother or sister.

4. Daughter of a brother or sister.

5. The daughter of a brother or a sister.

6. The daughter of a brother or sister. See Nephew.

7. The daughter of a brother or sister.