/ Dictionary / Index S streamliner: Meaning and Definition of Find definitions for: stream•lin•er Pronunciation: (strēm'lī"nur), [key] — n. something that is streamlined, esp. a locomotive or passenger train. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: streamliner (Thesaurus) streamline flow stream of consciousness Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language