leporine /ˈlɛpəɹaɪn/adjective 1noun 2forms 1 adjective1 •Of, relating to, or characteristic of a hare or a rabbit.His leporine ears perked up at the mention of dessert. noun2 •(historical) A supposed hybrid between a hare and a rabbit, now known not to exist; a leporide. •Synonym of leporid (“any mammal of the family Leporidae: the hares and rabbits”).+Trischizolagus has been proposed as a probable Oryctolagus ancestor, as well as for Lepus and other leporines, although no transitional populations have yet been found. — 2008 formsleporines