1Denoting someone that has a specified family connection through fostering.
表示“有领养关系者”
foster-parent
foster-child
1.1Involving or concerned with fostering a child.
表示“与收养儿童有关的”
foster care
Origin
Foster-father, foster-mother, foster-child, and foster-brother all date from Old English. Foster-mother has also been used to mean a wet nurse, her husband being foster-father to the child she fed, and a foster-brother or -sister one reared at the same breast.