a historical county of NE Northern Ireland, famous for the Giant's Causeway on the N coast: in 1973 it was replaced for administrative purposes by the districts of Antrim, Ballymena, Ballymoney, Carrickfergus, Larne, Moyle, Newtownabbey, and parts of Belfast and Lisburn. Area: 3100 sq km (1200 sq miles)
2.
a district of Northern Ireland, in Co Antrim. Pop: 49 260 (2003 est). Area: 415 sqkm (160 sq miles)
Antrim in American English
(ˈænˌtrɪm)
1.
former county of NE Northern Ireland: c. 1,176 sq mi (3,046 sq km)
2.
district in NE Northern Ireland, in the S part of the former county: 221 sq mi (572sq km); pop. 45,000