n. [ L. ursa a she-bear, also, a constellation, fem. of ursus a bear. Cf. Arctic. ] (Astron.) Either one of the Bears. See the Phrases below. [ 1913 Webster ]
Ursa Major [ L. ],
Ursa Minor [ L. ],
n. (Zool.) The ursine seal. See the Note under 1st Seal. [ 1913 Webster ]