sister

US /ˈsɪs.tɚ/
UK /ˈsɪs.tɚ/
"sister" picture
1.

sorella

a girl or woman who has one or both of the same parents as oneself

:
My older sister lives in London.
Mia sorella maggiore vive a Londra.
She has two younger sisters.
Ha due sorelle minori.
2.

sorella, collega

a female fellow member of a community, organization, or profession

:
We stand together as sisters in this movement.
Stiamo insieme come sorelle in questo movimento.
The nurses refer to each other as sister.
Le infermiere si riferiscono l'una all'altra come sorella.