'Chrysanthemum' definitions:

Definition of 'chrysanthemum'

From: WordNet
noun
The flower of a chrysanthemum plant
noun
Any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated

Definition of 'Chrysanthemum'

From: GCIDE
  • Chrysanthemum \Chrys*an"the*mum\, n. [L., fr. Gr. ?; chryso`s gold + ? flower.] (Bot.) A genus of composite plants, mostly perennial, and of many species including the many varieties of garden chrysanthemums (annual and perennial), and also the feverfew and the oxeye daisy. [1913 Webster]