/ Dictionary / Index R rubaboo: Meaning and Definition of Find definitions for: rub•a•boo Pronunciation: (rub'u-b"), [key] — n. Canadian. soup made from pemmican, flour, and water, once common among fur trappers, hunters, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rub rub-a-dub Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language