The Collaborative International Dictionary of English v.0.48:
Kleptomaniac \Klep`to*ma"ni*ac\, n. A person affected with kleptomania. [1913 Webster]WordNet (r) 3.0 (2006):
kleptomaniac n 1: someone with an irrational urge to steal in the absence of an economic motiveThe Devil's Dictionary (1881-1906):
KLEPTOMANIAC, n. A rich thief.