The Collaborative International Dictionary of English v.0.48:
Ursine \Ur"sine\, a. [L. ursinus, from ursus a bear. See Ursa.] Of or pertaining to a bear; resembling a bear. [1913 Webster] Ursine baboon. (Zool.) See Chacma. Ursine dasyure (Zool.), the Tasmanian devil. Ursine howler (Zool.), the araguato. See Illust. under Howler. Ursine seal. (Zool.) See Sea bear, and the Note under 1st Seal. [1913 Webster]