a county of NE Republic of Ireland, in Ulster province: many small lakes. County town: Monaghan. Pop: 52 593 (2002). Area: 1292 sq km (499 sq miles) a town in NE Republic of Ireland, county town of Co Monaghan. Pop: 5717 (2002)
WordReference Random House Unabridged Dictionary of American English © 2026
Mon•a•ghan
(mon′ə gən, -han′),USA pronunciation n.
- Place Namesa county in the NE Republic of Ireland. 51,174;
498 sq. mi. (1290 sq. km). Co. seat: Monaghan.
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