Oldham, a parliamentary borough and manufacturing town in Lancashire, 6 miles N.E. of Manchester on the river Medlock. It is an important railway centre, and canals connect it with the neighbouring centres of trade. About a fourth of the cotton products of England are turned out here - fustians, velvets, cords, shirtings, sheetings, nankeens being the chief manufactures. There are good public buildings and a richly-endowed Blue-Coat school. It returns two members to Parliament.