DICT.TW Dictionary Taiwan

 change·ling /ˈʧenʤlɪŋ/
 調換兒,矮小丑陋的小孩,低能兒

 Change·ling, n.
 1. One who, or that which, is left or taken in the place of another, as a child exchanged by fairies.
    Such, men do changelings call, so changed by fairies' theft.   --Spenser.
    The changeling [a substituted writing] never known.   --Shak.
 2. A simpleton; an idiot.
    Changelings and fools of heaven, and thence shut out.
    Wildly we roam in discontent about.
 3. One apt to change; a waverer. “Fickle changelings.”

 Change·ling, a.
 1. Taken or left in place of another; changed. “A little changeling boy.”
 2. Given to change; inconstant. [Obs.]
    Some are so studiously changeling.   --Boyle.
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 changeling
      n 1: a person of subnormal intelligence [syn: idiot, imbecile,
            cretin, moron, half-wit, retard]
      2: a child secretly exchanged for another in infancy