/ Dictionary / Index M Mellaril: Meaning and Definition of Find definitions for: Mel•la•ril Pronunciation: (mel'u-ril), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of thioridazine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mellaril (Thesaurus) mell meller Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language