rodential,a.|rəʊˈdɛnʃəl| [f.prec. + -ial.] Of or pertaining to the Rodentia or rodent animals. Hence roˈdentiallyadv. 1890Nature XLII. 193/1 The dingo and several other, chiefly rodential, placental mammals.1892Pall Mall G. 2 Aug. 2/2 A nose rodentially keen.