a. Obs.1 [ad. L. flūmināl-is f. flūmen river.] Of or pertaining to a river.
1633. T. Adams, Exp. 2 Peter xx. 8. Fluminall baptisme is a cold proofe of a mans Christendom, except this flaminall baptisme of fire and zeal approve it. (Cf. c. 1450 s.v. FLUME sb. 1.)