any of an order (Artiodactyla) of hoofed mammals having an even number of toes, including
, hippopotamuses, and all ruminants
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'artiodactyl'< ModL < Gr artios, even + daktylos, finger or toe