/ Dictionary / Index M Mayon: Meaning and Definition of Find definitions for: Ma•yon Pronunciation: (mä-yôn'), [key] — n. an active volcano in the Philippines, on SE Luzon Island. 7926 ft. (2415 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mayo mayonnaise Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language