'Thousands' in the Bible

Then Solomon spake unto all Israel, to the captains of thousands and of hundreds, and to the judges, and to every governor in all Israel, the chief of the fathers.

Zerah the Cushite came out against them with an army of a thousand thousands and three hundred chariots. And he came to Mareshah.

And these are the numbers of them according to the house of their fathers: Of Judah, the captains of thousands; Adnah the chief, and with him mighty men of valour three hundred thousand.

Moreover Amaziah gathered Judah together, and made them captains over thousands, and captains over hundreds, according to the houses of their fathers, throughout all Judah and Benjamin: and he numbered them from twenty years old and above, and found them three hundred thousand choice men, able to go forth to war, that could handle spear and shield.