/ Dictionary / Index J John of Leyden: Meaning and Definition of Find definitions for: John' of Ley'den Pronunciation: [key] — (Jan Beuckelszoon or Bockhold) 1509–36, Dutch Anabaptist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. John of Gaunt John of Salisbury Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language