[1] : The Collaborative International Dictionary of English v.0.48

eumenides \eumen"ides\, n. pl. l., from gr. ? lit., gracious
   goddesses. class. myth.
   a euphemistic name for the furies of erinyes.
   1913 webster

[2] : WordNet (r) 2.0

eumenides
     n : classical mythology the hideous snake-haired monsters
         usually three in number who pursued unpunished
         criminals syn: fury, erinyes
see also:
fury erinyes 

Eumenides >> E Words
Eumenides, definition of term: Eumenides
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