/ Dictionary / Index R roomer: Meaning and Definition of Find definitions for: room•er Pronunciation: (r'mur, room'ur), [key] — n. a person who lives in a rented room; lodger. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: roomer (Thesaurus) room divider roomette Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language