a parliamentary borough and market-town of Sussex, on a branch of the Arun, 37 miles S.S.W. of London. It is a borough by prescription, and returned two members to parliament previous to the Reform Act, by which it was deprived of one of its representatives. The borough is governed by a steward and two bailiffs. Horsham consists of two streets, crossing each other at right angles, one of them being adorned with rows of trees. The town- Horsley, hall is a handsome Gothic building. St Mary's church is a spacious and elegant edifice in the early English style, with a tower surmounted by a lofty spire. The grammar school, founded in 1532, is now in a very flourishing state; the present rental of its endowment is upwards of L400 per annum. There are no manufactures of importance; but a considerable trade is carried on with the surrounding country. Market-days, Monday and Saturday. Pop. (1851) 5947.