predator
pred.a.tor \'pred-*t-*r, -*-.to.(*)r\ n 1: one that preys, destroys, or devours 2: an animal that lives by predation
Webster's English Dictionarypred.a.tor \'pred-*t-*r, -*-.to.(*)r\ n 1: one that preys, destroys, or devours 2: an animal that lives by predation