/ Dictionary / Index M Marianao: Meaning and Definition of Find definitions for: Ma•ri•a•na•o Pronunciation: (mä"rē-ä-nä'ô), [key] — n. a city in NW Cuba, a suburb of Havana. 368,747. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mariana Islands Mariana Trench 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