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 'round trip'. round trip also round-trip. If you make a round trip, you travel to a place and then back again. The train operates the 2,400-mile round trip once a week. A round-trip ticket is a ticket for a train, bus, or plane that allows you to travel to a particular place and then back again.