/ Dictionary / Index L Louth: Meaning and Definition of Find definitions for: Louth Pronunciation: (louth), [key] — n. a county in Leinster province, in the NE Republic of Ireland. 88,359; 317 sq. mi. (820 sq. km). Co. seat: Dunkalk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lout loutish Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language