flŭvĭātĭlis — Lewis & Short
flŭvĭātĭlis, e, adj.id.,
I of or belonging to a river, river- (class.):
testudines,Cic. N. D. 2, 48, 124:
naves,Liv. 10, 2, 12:
negotium,Col. 8, 17, 7.