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

slayer \slay"er\, n.
   one who slays; a killer; a murderer; a destroyer of life.
   1913 webster

[2] : WordNet (r) 2.0

slayer
     n : someone who causes the death of a person or animal syn: killer
see also:
killer 

[3] : Moby Thesaurus II by Grady Ward, 1.0

41 moby thesaurus words for "slayer":
   cain, apache, assassin, assassinator, bloodletter, bloodshedder,
   bravo, burker, butcher, button man, cannibal, cutthroat, desperado,
   eradicator, executioner, exterminator, garroter, gorilla, gun,
   gunman, gunsel, hatchet man, head-hunter, hit man,
   homicidal maniac, homicide, killer, man-eater, man-killer,
   manslayer, massacrer, matador, murderer, pesticide, poison,
   poisoner, slaughterer, strangler, thug, torpedo, trigger man

Slayer >> S Words
Slayer, definition of term: Slayer
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