/ Dictionary / Index M McCloskey: Meaning and Definition of Find definitions for: Mc•Clos•key Pronunciation: (mu-klos'kē), [key] 1810–85, U.S. Roman Catholic clergyman: first U.S. cardinal 1875. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. McClellan McCloy Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language