/ Dictionary / Index M Marconi rig: Meaning and Definition of Find definitions for: Marco'ni rig" Pronunciation: [key] a rig of triangular sails for a yacht. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Marconi mast Marco Polo Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language