Merriam-Webster Collegiate Dictionary - dublin

 or for 3 and 4 Irish Gaelic Baile Atha Cliath  geographical name  1. city W California ESE of Oakland population 29,973  2. city central Ohio, a suburb of Columbus population 31,392  3. county E Ireland in Leinster area 356 square miles (926 square kilometers), population 546,915  4. city & port capital of Ireland (republic) & of County ~ at mouth of the Liffey on ~ Bay (inlet of Irish Sea) population 477,675  • ~er noun