'Vitis' definitions:

Definition of 'Vitis'

From: WordNet
noun
The type genus of the family Vitaceae; woody vines with simple leaves and small flowers; includes a wide variety of grapes [syn: Vitis, genus Vitis]

Definition of 'Vitis'

From: GCIDE
  • Vitis \Vi"tis\, prop. n. [L., a vine.] (Bot.) A genus of plants including all true grapevines. [1913 Webster]