The Collaborative International Dictionary of English v.0.48:
Ferae \Fe"r[ae]\, prop. n. pl. [L., wild animals, fem. pl. of ferus wild.] (Zool.) A group of mammals which formerly included the Carnivora, Insectivora, Marsupialia, and lemurs, but is now often restricted to the Carnivora.Bouvier's Law Dictionary, Revised 6th Ed (1856):
FERAE. Wild, savage, not tame.