SEVERN, a river of England, which rises near Plinnilliom-hill in Montgomeryshire, and before it enters Shropshire receives about 30 streams, and passes down to Laudring, where it receives the Morda, that flows from Oswestry. When it arrives at Monford, it receives the river Mon; passing on to Shrewsbury, which it almost surrounds; then to Bridgnorth; afterwards it runs through the skirts of Staffordshire, enters Worcestershire, and passes by Worcester; then it runs to Tewkesbury, where it joins the Avon; and from thence to Gloucester, keeping a north-westerly course till it falls into the Bristol channel. It begins to be navigable for boats at Welch Pool in Montgomeryshire,
Severus. shire, and takes in several other rivers in its course besides those already mentioned; it is the second in England.