'leprechaun' definitions:

Definition of 'leprechaun'

From: WordNet
noun
A mischievous elf in Irish folklore

Definition of 'leprechaun'

From: GCIDE
  • leprechaun \leprechaun\ n. (Irish folklore) A small mischevous elf or spirit in Irish folklore; it is often depicted in literature as a dwarfish bearded old man; -- legend tells that if a leprechaun is captured, he will reveal the location of his hidden pot of gold. [WordNet 1.5 +PJC]

Synonyms of 'leprechaun'

From: Moby Thesaurus