The Collaborative International Dictionary of English v.0.48:
Caricature \Car"i*ca*ture\, n. [It. caricatura, fr. caricare to
charge, overload, exaggerate. See Charge, v. t.]
1. An exaggeration, or distortion by exaggeration, of parts
or characteristics, as in a picture.
2. A picture or other figure or description in which the
peculiarities of a person or thing are so exaggerated as
to appear ridiculous; a burlesque; a parody. [Formerly
The truest likeness of the prince of French
literature will be the one that has most of the look
of a caricature. --I. Taylor.
A grotesque caricature of virtue. --Macaulay.