/ Dictionary / Index M meacon: Meaning and Definition of Find definitions for: mea•con Pronunciation: (mē'kun), [key] — v.t. to give false signals to (electronic navigational equipment), as by means of a radio transmitter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. M.E.A. mea culpa* Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language