What is "bouzanne"

The Bouzanne is an long river in the Indre département of central France, and is a tributary of the Creuse. Its source is in the commune of Aigurande, northwest of the town itself, near the hamlet of la Bouzanne. It flows generally northwest, going northwards from its source up to Arthon, then southwest to the confluence where it enters the Creuse at the right-hand side of the flow (with forwards being downstream), southwest of the village centre of Le Pont-Chrétien-Chabenet.