/ Dictionary / Index N Nalline: Meaning and Definition of Find definitions for: Nal•line Pronunciation: (nal'ēn), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of nalorphine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nalline (Thesaurus) nalidixic acid nalorphine Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language