The Collaborative International Dictionary of English v.0.48:
Artiodactylous \Ar`ti*o*dac"ty*lous\, a. (Zool.) Even-toed. [1913 Webster]WordNet (r) 3.0 (2006):
artiodactylous adj 1: of or relating to or belonging to mammals of the order Artiodactyla [syn: artiodactyl, artiodactylous, even-toed]