Merio`neth (49), a mountainous county of North Wales, abutting on Cardigan Bay, between Carnarvon and Cardigan; lofty peaks, Aran Mowddy, Cader Idris, and Aran Benllyn; rivers, Dee and Dovey, and Lake Bala afford picturesque scenery; the soil is fit only for sheep-grazing; but there are slate and limestone quarries, manganese and gold mines; the county town, Dolgelly (2), on the Wnion, has woollen and tweed manufactures.