'Course' in the Bible

Now the children of Israel after their number, to wit, the chief fathers and captains of thousands and hundreds, and their officers that served the king in any matter of the courses, which came in and went out month by month throughout all the months of the year, of every course were twenty and four thousand.

Over the first course for the first month was Jashobeam the son of Zabdiel: and in his course were twenty and four thousand.

And over the course of the second month was Dodai an Ahohite, and of his course was Mikloth also the ruler: in his course likewise were twenty and four thousand.

The third captain of the host for the third month was Benaiah the son of Jehoiada, a chief priest: and in his course were twenty and four thousand.

This is that Benaiah, who was mighty among the thirty, and above the thirty: and in his course was Ammizabad his son.

The fourth captain for the fourth month was Asahel the brother of Joab, and Zebadiah his son after him: and in his course were twenty and four thousand.

The fifth captain for the fifth month was Shamhuth the Izrahite: and in his course were twenty and four thousand.

The sixth captain for the sixth month was Ira the son of Ikkesh the Tekoite: and in his course were twenty and four thousand.

The seventh captain for the seventh month was Helez the Pelonite, of the children of Ephraim: and in his course were twenty and four thousand.

The eighth captain for the eighth month was Sibbecai the Hushathite, of the Zarhites: and in his course were twenty and four thousand.

The ninth captain for the ninth month was Abiezer the Anetothite, of the Benjamites: and in his course were twenty and four thousand.

The tenth captain for the tenth month was Maharai the Netophathite, of the Zarhites: and in his course were twenty and four thousand.

The eleventh captain for the eleventh month was Benaiah the Pirathonite, of the children of Ephraim: and in his course were twenty and four thousand.

The twelfth captain for the twelfth month was Heldai the Netophathite, of Othniel: and in his course were twenty and four thousand.

And David assembled all the princes of Israel, the princes of the tribes, and the captains of the companies that ministered to the king by course, and the captains over the thousands, and captains over the hundreds, and the stewards over all the substance and possession of the king, and of his sons, with the officers, and with the mighty men, and with all the valiant men, unto Jerusalem.