sister from another mother
idiomPart ofsister
sister from another mother — idiom
1. a humorous way to say that a woman is so close to you she feels like a sister, e
1.idiom
Definition
a humorous way to say that a woman is so close to you she feels like a sister, even though you do not share parents.
Example
Salma calls Mira her sister from another mother because they have been best friends since nursery school.