/ Dictionary / Index F Fra Mauro: Meaning and Definition of Find definitions for: Fra Mau•ro Pronunciation: (frä' mär'ō, mô'rō), [key] a walled plain in the third quadrant of the face of the moon: about 50 miles (80 km) in diameter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Fraktur frambesia Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language