/ Dictionary / Index R rooming house: Meaning and Definition of Find definitions for: room'ing house" Pronunciation: [key] a house with furnished rooms to rent; lodging house. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. roomie rooming-in 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