/ Dictionary / Index R Richthofen: Meaning and Definition of Find definitions for: Richt•ho•fen Pronunciation: (rikht'hō"fun), [key] — n. (“Red Baron” or “Red Knight”), 1892–1918, German aviator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Richter scale richweed 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