/ Dictionary / Index D de la Rue: Meaning and Definition of Find definitions for: de la Rue Pronunciation: (del'u r", del"u r'), [key] 1815–89, English astronomer and inventor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. de la Roche delate Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language