lemming

  1. Noun.  Any of the small Arctic and Subarctic rodents of the tribe Lemmini. Three genera of vole are also commonly called '''lemmings'''.
  2. Noun.  (figuratively) Any member of a group given to conformity or groupthink, especially a group poised to follow a leader off a cliff.

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This entry was last updated on RefTopia from its source on 3/20/2012.