adopt out

1. To place a child or pet with a foster family. A noun or pronoun can be used between "adopt" and "out." After my cat gave birth, I spent the next month trying to adopt the kittens out to various people around town. My mother was always threating to adopt me and my sister out whenever we misbehaved. Please don't tell my kids you're adopting out puppies, or else I'll never hear the end of it!

2. To move to a new place from one's former home as a result of being adopted. Typically used in passive constructions and followed by "to" or "of." Their daughter was adopted out of Central America as a baby. The small nation has seen many of its children being adopted out to other countries as a result of the devastating war. Your son was adopted out of China, right? Did it take him a long time to get used to life in the US?