/ Dictionary / Index M Marconi: Meaning and Definition of Find definitions for: Mar•co•ni Pronunciation: (mär-kō'nēIt.mär-kô'nē), [key] — n. 1874–1937, Italian electrical engineer and inventor, esp. in the field of wireless telegraphy: Nobel prize for physics 1909. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: marconi (Thesaurus) Marcomanni marconigram Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language