Geshem
or Gashmu, firmness, probably chief of the Arabs south of
Palestine, one of the enemies of the Jews after the return from
Babylon (Neh. 2:19; 6:1, 2). He united with Sanballat and Tobiah
in opposing the rebuilding of the wall of Jerusalem.
Bibliography Information Easton, Matthew George. M.A., D.D., "Definition for 'Geshem' Eastons Bible Dictionary". bible-history.com - Eastons; 1897.