/ Dictionary / Index M McLuhan: Meaning and Definition of Find definitions for: Mc•Lu•han Pronunciation: (mu-kl'un), [key] 1911–80, Canadian cultural historian and mass-communications theorist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mcluhan (Thesaurus) McLeod gauge McMaster Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language