changeling: Meaning and Definition of

change•ling

1. a child surreptitiously or unintentionally substituted for another.
2. (in folklore) an ugly, stupid, or strange child left by fairies in place of a pretty, charming child.
3. a postage stamp that, by accident or intention, has been chemically changed in color.
1. a renegade or turncoat.
2. an imbecile.