The Collaborative International Dictionary of English v.0.48:

bruin \bru"in\, n. [D. bruin brown. In the epic poem of "Reynard
   the Fox" the bear is so called from his color. See Brown,
   a.]
   A bear; -- so called in popular tales and fables.
   [1913 Webster]

The Free On-line Dictionary of Computing (17 December 2009):

BRUIN

   Brown University Interactive Language.

   A simple interactive language with PL/I-like syntax, for
   IBM 360.

   ["Meeting the Computational Requirements of the University,
   Brown University Interactive Language", R.G. Munck, Proc 24th
   ACM Conf, 1969].

   (1995-02-14)


U.S. Gazetteer (1990):

Bruin, PA (borough, FIPS 9528)
  Location: 41.05510 N, 79.72733 W
  Population (1990): 646 (262 housing units)
  Area: 4.5 sq km (land), 0.0 sq km (water)
  Zip code(s): 16022