/ Dictionary / Index L lupus erythematosus: Meaning and Definition of Find definitions for: lu'pus er•y•the•ma•to'sus Pronunciation: (er"u-thē"mu-tō'sus, -them"u-), [key] — Pathol. Pathol. any of several autoimmune diseases, esp. systemic lupus erythematosus, characterized by red, scaly skin patches. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lupus lupus vulgaris Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language