'Quercus' definitions:

Definition of 'Quercus'

From: WordNet
noun
Oaks [syn: Quercus, genus Quercus]

Definition of 'Quercus'

From: GCIDE
  • Quercus \Quer"cus\, n. [L., an oak.] (Bot.) A genus of trees constituted by the oak. See Oak. [1913 Webster]