'Ursus' definitions:

Definition of 'Ursus'

From: WordNet
noun
Type genus of Ursidae: brown bears; in some classifications genus Ursus includes all bears [syn: Ursus, genus Ursus]

Definition of 'Ursus'

From: GCIDE
  • Ursus \Ur"sus\, n. [L., a bear.] (Zool.) A genus of Carnivora including the common bears. [1913 Webster]