Definition of bruins:
(n) :
A folk name for a bear, especially the brown bear, Ursus arctos.
(n) :
(literary) A bear character in fairy stories, etc., especially when anthropomorphised.
(n) :
A surname from Dutch.
(n) :
An unincorporated community in Elliott County, Kentucky, United States.
(n) :
A borough of Butler County, Pennsylvania, United States.