1. The tributary debouched into the big river.

2. 10 The inner single debouch bar develops accretion sand bodies.

3. Five sedimentary microfacies including underground river distributary, debouch bar, frontal sheet sand, sand-shale alternating layer, front fan-delta-deep water lake deposits are identified.

4. (verb) Descending rapidly from its source, sometimes over cascades, the river soon enters deep gorges through which it flows as far as Beaulieu (department of Correze) where it debouches into a wide and fertile valley and is shortly after joined by the Cere.