'Muster' in the Bible

This was their muster according to their fathers’ households: of Judah, commanders of thousands, Adnah was the commander, and with him 300,000 valiant warriors;

Moreover, Uzziah had an army ready for battle, which entered combat by divisions according to the number of their muster, prepared by Jeiel the scribe and Maaseiah the official, under the direction of Hananiah, one of the king’s officers.