noun
- any of several composite plants of the genus Zinnia, native to Mexico and adjacent areas, especially the widely cultivated species Z. elegans, having variously colored, many-rayed flower heads.
noun
- any annual or perennial plant of the genus Zinnia, of tropical and subtropical America, having solitary heads of brightly coloured flowers: family Asteraceae (composites)
genus of herbs of the aster family, 1767, from Modern Latin (Linnæus, 1763), named for German botanist Johann Gottfried Zinn (1729-1759).