F / flūmĭnālis
adjective

flūmĭnālis

neut. flūmĭnāle
belonging to a river; river
of or belonging to a river, river- (late Lat.): navigatio, Cael. Aur. Tard. 1, 1, 44: cancri, river crawfish, id. ib. 1, 4, 119.