What is a "hormagaunt"?

I have seen references to a hormagaunt in two different and probably unrelated places. The first is in the sci-fi novel "The Killing Machine" by Jack Vance, the other is a type of Tyranid alien from the table top-game Warhammar 40k. All things point to it being some type of mythological animal, by I can... show more I have seen references to a hormagaunt in two different and probably unrelated places. The first is in the sci-fi novel "The Killing Machine" by Jack Vance, the other is a type of Tyranid alien from the table top-game Warhammar 40k. All things point to it being some type of mythological animal, by I can find nothing else about it. Anyone know what it really is and where is came from originally?
3 answers 3