BAKBUK.The ancestor of certain Nethinim who returned with Zerubbabel (Ezr_2:51, Neh_7:53); called Acub in 1Es_5:31.
Hastings' Dictionary of the Bible
Edited by James Hastings, D.D. Published in 1909
Bak'buk. (bottle). "Children of Bakkuk" were among the Nethinim who returned from captivity with Zerubbabel. Ezr_2:51; Neh_7:53. (B.C. before 536).
Smith's Bible Dictionary
By Dr. William Smith.Published in 1863
bak?buk בּקבּוּק, baḳbūḳ, ?bottle? perhaps onomatopoetical, referring to the clucking noise created by the pouring out of the contents of a bottle = Acub, 1 Esdras 5:31): The descendants of Bakbuk returned with Zerubbabel to Jerusalem (Ezr_2:51; Neh_7:53).
International Standard Bible Encyclopedia
PRINTER 1915.
Bakbuk
(Heb. Bakbuk', בִּקְבּוּקּ, a bottle; Sept. Βακβούκ), the head of one of the families of the Nethinim that returned from Babylon (Ezr_2:51; Neh_7:53). B.C. ante 536.
CYCLOPEDIA OF BIBLICAL, THEOLOGICAL AND ECCLESIASTICAL
press 1895.