/ Dictionary / Index F Frederik IX: Meaning and Definition of Find definitions for: Fre•de•rik IX Pronunciation: (fre'thu-rēk), [key] 1899–1972, king of Denmark 1947–72 (son of Christian X). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Fredericton Frederika Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language