forever family
n.— «There’s a special name for adoptive parents. They’re called the “forever families” by the children who enter their lives.» —“‘Forever families’” by Cheryl Clock The Standard (St. Catharines, Ontario, Canada) May 8, 2007. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...
“Forever Family” is also a term for a key concept among Latter Day Saints (Mormons): their beliefs that family members who are church members in good standing who have been sealed to each other on earth will be part of an eternal unit: http://www.foreverfamilies.net/xml/home.aspx
http://www.exmormon.org/mormon/mormon270.htm