/ Dictionary / Index R rhumb: Meaning and Definition of Find definitions for: rhumb Pronunciation: (rum, rumb), [key] See a point of the compass. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rhumb (Thesaurus) rhubarb rhumba Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language