/ Dictionary / Index R Ricardian theory of rent: Meaning and Definition of Find definitions for: Ri•car'di•an the'ory of rent' Pronunciation: (ri-kär'dē-un). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ribwort Ricardo Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language