/ Dictionary / Index S streamline flow: Meaning and Definition of Find definitions for: stream'line flow' Pronunciation: [key] the flow of a fluid past an object such that the velocity at any fixed point in the fluid is constant or varies in a regular manner. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. streamlined streamliner 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