English to English

noun (n)

• any of various plants of the genus Zinnia cultivated for their variously and brightly colored flower heads(noun.plant)

  Synonym:
  old maid, old maid flower
  

  source: wordnet30
• Any plant of the composite genus Zinnia, Mexican herbs with opposite leaves and large gay-colored blossoms. Zinnia elegans is the commonest species in cultivation.(noun)

  source: webster1913