ZABBUD

zab'-ud (zabbudh, meaning uncertain; Ezra 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.

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.