jackalope UK /ˈd͡ʒækələʊp/US /ˈd͡ʒækəloʊp/ noun1 •A folkloric animal, a supposed cross between a jackrabbit and an antelope, goat, or deer, usually portrayed as a rabbit with antlers.Most jackalopes are furry and a foot or two tall; many are only heads, mounted on wood plaques; there are some six-footers, covered with fur… — 1993 formsjackalopes