an infant or young child who is abandoned or orphaned and left in a hospital for lack of a foster home.
Origin of boarder baby
First recorded in 1975–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
An infant, often the offspring of drug addicts or AIDS victims, who remains for months, sometimes up to a year, at the hospital where he or she was born, waiting for placement in a home.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.