/ Dictionary / Index L Lempa: Meaning and Definition of Find definitions for: Lem•pa Pronunciation: (lem'pä), [key] — n. a river rising in NW El Salvador, flowing E and then S to the Pacific Ocean. ab. 200 mi. (320 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Le Morte d'Arthur* Lempert operation Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language