/ Dictionary / Index M moundbird: Meaning and Definition of Find definitions for: mound•bird Pronunciation: (mound'bûrd"), [key] — n. megapode. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mound mound builder Related Content Daily Word Quiz: maritime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language