/ Dictionary / Index M mud stream: Meaning and Definition of Find definitions for: mud' stream" Pronunciation: [key] mudflow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mudstone mudsucker Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language