What is "thouaret"

The Thouaret is a 52 km long river in France, right tributary of the Thouet. Its source is in the commune Chanteloup. Its course crosses the department of Deux-Sèvres. It flows northeast through the towns of La Chapelle-Saint-Laurent, Chiché and Saint-Varent, finally flowing into the Thouet near Thouars.