/ Dictionary / Index L lagune: Meaning and Definition of Find definitions for: la•gune Pronunciation: (lu-gn'), [key] — n. lagoon (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lagune (Thesaurus) Laguna Hills La Habra 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