1. A woman who raises a child that is not her biological child, typically through a legal arrangement with the child's biological parents or the state
The foster mother provided a loving home for the orphaned children.
A mãe adotiva proporcionou um lar amoroso para as crianças órfãs.
2. A woman who cares for a child temporarily while the biological parents are unable to do so
She worked as a foster mother while the child's parents completed rehabilitation.
Ela trabalhou como mãe adotiva enquanto os pais da criança completavam a reabilitação.