1. a dwarf in one of the fairy stories of the brothers Grimm; tells a woman he will not hold her to a promise if she can guess his name and when she discovers it he is so furious that he destroys himself;
WordNet (r) 3.0 (2006):
Rumpelstiltskin
n 1: a dwarf in one of the fairy stories of the brothers Grimm;
tells a woman he will not hold her to a promise if she can
guess his name and when she discovers it he is so furious
that he destroys himself