Definition of Ursa Minor noun from the Oxford Advanced Learner's Dictionary

 

Ursa Minor

 noun
noun
BrE BrE//ˌɜːsə ˈmaɪnə(r)//
 
; NAmE NAmE//ˌɜːrsə ˈmaɪnər//
 
(also the Little Bear)[singular]
 
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a group of stars that can be clearly seen from the northern hemisphere and that includes the Pole Star Word OriginLatin.
See the Oxford Advanced American Dictionary entry: Ursa Minor