/ Dictionary / Index M Morison: Meaning and Definition of Find definitions for: Mor•i•son Pronunciation: (môr'u-sun, mor'-), [key] 1887–1976, U.S. historian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Morisco Morisot Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language