Int. Standard Bible Encyclopedia BAKBUK bak'-buk baqbuq, "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 (Ezra 2:51 Nehemiah 7:53).

Multi-Version Concordance Bakbuk (2 Occurrences) Ezra 2:51 the children of Bakbuk, the children of Hakupha, the children of Harhur, (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV NIV) Nehemiah 7:53 the children of Bakbuk, the children of Hakupha, the children of Harhur, (WEB KJV JPS ASV BBE DBY WBS YLT NAS RSV NIV)