/ Dictionary / Index I interlingua: Meaning and Definition of Find definitions for: in•ter•lin•gua Pronunciation: (in"tur-ling'gwu), [key] — n. an interlanguage. (cap.) an artificial language developed between 1924 and 1951, based primarily upon the Romance languages, and intended mainly as a common international language for scientists. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: interlingua (Thesaurus) interlineate interlingual Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language