/ Dictionary / Index M mauna loa: Meaning and Definition of Find definitions for: mau•na lo•a Pronunciation: (mou'nu lō'u, mô'nu), [key] a vine, Canavalia microcarpa, of the legume family, naturalized in Hawaii, having pink or lavender flowers used to make leis. Mau•na Lo•a Pronunciation: (mou'nu lō'u, mô'nu), [key] an active volcano on the island of Hawaii. 13,680 ft. (4170 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Mauna Kea Observatory maunche Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language