'Divisions' in the Bible

It happened, when the priests were come out of the holy place, (for all the priests who were present had sanctified themselves, and did not keep their divisions;

He appointed, according to the ordinance of David his father, the divisions of the priests to their service, and the Levites to their offices, to praise, and to minister before the priests, as the duty of every day required; the doorkeepers also by their divisions at every gate: for so had David the man of God commanded.

Hezekiah appointed the divisions of the priests and the Levites after their divisions, every man according to his service, both the priests and the Levites, for burnt offerings and for peace offerings, to minister, and to give thanks, and to praise in the gates of the camp of Yahweh.

Under him were Eden, and Miniamin, and Jeshua, and Shemaiah, Amariah, and Shecaniah, in the cities of the priests, in their office of trust, to give to their brothers by divisions, as well to the great as to the small:

besides those who were reckoned by genealogy of males, from three years old and upward, even everyone who entered into the house of Yahweh, as the duty of every day required, for their service in their offices according to their divisions;

and those who were reckoned by genealogy of the priests by their fathers' houses, and the Levites from twenty years old and upward, in their offices by their divisions;

Prepare yourselves after your fathers' houses by your divisions, according to the writing of David king of Israel, and according to the writing of Solomon his son.

Stand in the holy place according to the divisions of the fathers' houses of your brothers the children of the people, and [let there be for each] a portion of a fathers' house of the Levites.

So the service was prepared, and the priests stood in their place, and the Levites by their divisions, according to the king's commandment.

They removed the burnt offerings, that they might give them according to the divisions of the fathers' houses of the children of the people, to offer to Yahweh, as it is written in the book of Moses. So did they with the cattle.