/ Dictionary / Index M Marianism: Meaning and Definition of Find definitions for: Mar•i•an•ism Pronunciation: (mâr'ē-u-niz"um), [key] — n. any religious system emphasizing worship of or devotion to the Virgin Mary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mariana Trench Marianna Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language