'Petunia' definitions:

Definition of 'petunia'

From: WordNet
noun
Any of numerous tropical herbs having fluted funnel-shaped flowers
noun
Annual or perennial herbs or shrubs of tropical South America [syn: genus Petunia, Petunia]

Definition of 'Petunia'

From: GCIDE
  • Petunia \Pe*tu"ni*a\ (p[-e]*t[=u]"n[i^]*[.a]), n. [NL., fr. Braz. petun tobacco.] (Bot.) A genus of solanaceous herbs with funnel-form or salver-shaped corollas. Two species are common in cultivation, Petunia violacea, with reddish purple flowers, and Petunia nyctaginiflora, with white flowers. There are also many hybrid forms with variegated corollas. [1913 Webster] Petuntse Petunse