Even-toed ungulate. The even-toed ungulates (Artiodactyla, from Greek á¼ÏÏÎ¹Î¿Ï (Ã¡rtios), meaning 'even', and Î´Î¬ÎºÏÏÎ»Î¿Ï (dÃ¡ktylos), meaning 'finger/toe') are ungulates (hoofed animals) whose weight is borne equally by the third and fourth toes. By contrast, odd-toed ungulates, such as horses, bear their weight primarily on their third toes.
Definition of roundâtrip. : a trip to a place and back usually over the same route.
Definition of trip for Students. 1  1 : an instance of traveling from one place to another a trip to Europe. 2  2 : a brief errand having a certain aim or being more or less regular a trip to the dentist. 3  3 : the action of releasing something mechanically.  4 : a device for releasing something by tripping a mechanism.