/ Dictionary / Index R Ribbentrop: Meaning and Definition of Find definitions for: Rib•ben•trop Pronunciation: (rib'un-trôp"), [key] 1893–1946, German leader in the Nazi party: minister of foreign affairs 1938–45; executed for war crimes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ribbed vault ribbing 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