flumentum Save Georges Du Cange flūmentum, ī, n. (fluo), die Flut = ῥεῦμα ποταμοῦ, Gloss. II, 427, 47. FLUMENTUM, ῥεῦμα ποταμοῦ, i. Fluentum fluminis. Gloss. Lat. Gr. Sangerm.