/ Dictionary / Index D Dillon: Meaning and Definition of Find definitions for: Dil•lon Pronunciation: (dil'un), [key] — n. born 1909, U.S. lawyer and government official, born in Switzerland: Secretary of the Treasury 1961–65. 1831–1914, U.S. jurist and legal scholar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Dillinger dill pickle Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language