/ Dictionary / Index C Conrad IV: Meaning and Definition of Find definitions for: Conrad IV Pronunciation: [key] 1228–54, king of Germany 1237–54 and Sicily 1251–54; uncrowned emperor of the Holy Roman Empire (son of Frederick II). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Conrad III Conrail Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language