'Half district' in the Bible

After him repaired Nehemiah the son of Azbuk, the chief of the half district of Beth-zur, even over against the sepulchres of David, and to the pool that was made, and to the house of the mighty men.

After him repaired the Levites, Rehum the son of Bani. Next to him repaired Hashabiah, the chief of the half district of Keilah, for his district.

After him repaired their brethren, Bavvai the son of Henadad, the chief of the half district of Keilah.