- a county in Leinster, in the E Republic of Ireland. 902 sq. mi. (2,335 sq. km). County seat: Trim.
- a county of E Republic of Ireland, in Leinster province on the Irish Sea: formerly a kingdom much larger than the present county; livestock farming. County town: Trim. Pop: 134 005 (2002). Area: 2338 sq km (903 sq miles)
