/ Dictionary / Index M Mackay: Meaning and Definition of Find definitions for: Mac•kay Pronunciation: (mu-kī'), [key] — n. a seaport in E Australia. 35,361. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mack Macke Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language