a seaport town of Ireland, in the county of Wicklow, situated on the south side of the river Avoca or Ovoca, near the Irish Sea. The river is crossed by a bridge of 19 arches, and its harbour admits small vessels. It contains a charter-school for 50 girls; and there are barracks at its western extremity. It was assailed in 1798 by a body of insurgents, and suffered considerable damage, though they were finally dispersed. Population 3808. 17 miles S. from Wicklow, and 49 S. E. from Dublin. Long. 6. 0. W. Lat. 52. 48. N.