n. An abandoned child, left by its parent(s), often a baby left at a convent or similar safe place.
the GNU version of the Collaborative International Dictionary of English
n. A deserted or exposed infant; a child found without a parent or owner.
The Century Dictionary and Cyclopedia
n. An infant found abandoned or exposed; a child without a parent or claimant.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a child who has been abandoned and whose parents are unknown
Word Usage
"You see, sir, I'm a poor foundling from the Belfast Asylum, shoved out by the mother that bore me, upon the wide wurld, long before I knew that I was in it."