Definition of man-eaters:
(n) :
An animal that attacks and kills humans for food, such as certain tigers or sharks; any animal that consumes human flesh.
(n) :
A cannibal; a human that eats other humans.
(n) :
A carnivorous plant large enough to consume a human; a man-eating plant.
(n) :
(by extension, slang) A seductive dangerous woman, often readily taking and discarding male romantic partners.