Meuse (möz) [key], department (1990 pop. 196,344), NE France, in Lorraine, bordering on Belgium. Bar-le-Duc, the capital, and Verdun are the chief towns. Its industries include the manufacture of metals, foundry products, wood products, ceramics, and glass. Agriculture is concentrated in the Meuse River valley, where most of the department's people live. Part of the Argonne forest is in the north, and in the forested west and central regions there is extensive animal breeding.