niece
US /niːs/
UK /niːs/

1.
sobrina
a daughter of one's brother or sister, or of one's brother-in-law or sister-in-law
:
•
My niece is coming to visit next weekend.
Mi sobrina viene de visita el próximo fin de semana.
•
She loves spending time with her young niece.
Le encanta pasar tiempo con su joven sobrina.