What is "muchland"

Muchland is a medieval manor in Low Furness in the county of Cumbria in northern England. The manor was the seat of the Lords of Aldingham, and included at its peak the villages of Bardsea, Urswick, Scales, Stainton, Sunbrick, Baycliff, Gleaston, Aldingham, Dendron, Leece and Newbiggin. The area also features the historic remains of Gleaston Castle, Aldingham Castle, Gleaston Water Mill, the Druids' Temple at Birkrigg, plus many prehistoric remains around Urswick and Scales.