a town of Ireland, in the county of Mayo, pleasantly situated on the river of the same name, 159 miles west by north of Dublin. It consists chiefly of a main street upwards of half a mile in length, and a square. There is a court-house, jail, parish church, Roman Catholic chapel, infirmary, two dispensaries, linen hall, savings-bank, artillery and infantry barracks, and workhouse. It has some breweries, and a considerable trade in linens. Pop. (1851) 6020, including workhouse, infirmary, and jail.