Bosor

Bosor was an ancient Biblical city and one of the six Cities of Refuge named in the Mosaic Law. It was located in Gilead, and was conquered by Judas Maccabeus. It is sometimes identified with modern-day Busr el-Bariri.  Josephus comments on its conquest.
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same as Beor. (2 Peter 2:15)
  

the Chaldee or Aramaic form of the name Beor, the father of Balaam (2 Pet. 2:15).