THE FULL ARTICLE — from the International Standard Bible Encyclopedia

The International Standard Bible Encyclopedia (1915), general editor James Orr — public domain, printed whole.

zab'-ud (zabbudh, meaning uncertain; Ezr 8:14, where Kere is zakkur and Kethibh is zabhudh = "Zabud"; 1 Esdras 8:40 has "Istalcarus"): A companion of Ezra on his journey from Babylon to Jerusalem.