† ˈfluminal,a.Obs.—1 [ad. L. flūmināl-isf.flūmen river.] Of or pertaining to a river. 1633T. Adams Exp. 2 Peter ii. 8 Fluminall baptisme is a cold proofe of a mans Christendom, except this flaminall baptisme of fire..approve it. (Cf.c 1450 s.v. flume n.1.)