/ Dictionary / Index M mud room: Meaning and Definition of Find definitions for: mud' room" Pronunciation: [key] a vestibule or other area in a house, in which wet and muddy clothes or footwear are removed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mudra mudsill Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language