/ Dictionary / Index Z zinnia: Meaning and Definition of Find definitions for: zin•ni•a Pronunciation: (zin'ē-u), [key] — n. any of several composite plants of the genus Zinnia, native to Mexico and adjacent areas, esp. the widely cultivated species Z. elegans, having variously colored, many-rayed flower heads. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zinnia (Thesaurus) zinkenite zinnwaldite Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language