Top Definition
A term that can be used to describe an adopted child's original set of parents, as in:

"biological" parents

or

"birth" parents

On the other hand, aparents can mean "adoptive" parents.
She does not know who her bparents are.
by SANITYSAKE February 06, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×