/ Dictionary / Index M macadamia: Meaning and Definition of Find definitions for: mac•a•da•mi•a Pronunciation: (mak"u-dā'mē-u), [key] — n. any Australian tree of the genus Macadamia, esp. M. ternifolia, having whorled leaves and elongated clusters of pink flowers. Also calledthe edible, hard-shelled seed of this tree. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: macadamia (Thesaurus) macadam macadamize Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language