Brown Driver Briggs

 Haran = "mountaineer"
n pr m
1. a son of Caleb by his concubine Ephah
n pr loc
2. the city to which Abraham migrated when he left Ur of the Chaldees
and where he stayed until his father died before leaving for the
promised land; located in Mesopotamia in Padan-aram at the foot of
Mount Masius between the Khabour and the Euphrates