'Mighty men' in the Bible

And Abijah set the battle in array with an army of valiant men of war, even four hundred thousand chosen men: Jeroboam also set the battle in array against him with eight hundred thousand chosen men, being mighty men of valor.

And Asa had an army of men that bore large shields and spears, out of Judah three hundred thousand; and out of Benjamin, that bore shields and drew bows, two hundred and fourscore thousand: all these were mighty men of valor.

And he had much business in the cities of Judah: and the men of war, mighty men of valor, were in Jerusalem.

And these are the numbers of them according to their father's houses: Of Judah, the captains of thousands; Adnah the captain, and with him mighty men of valor three hundred thousand.

And next to him was Amasiah the son of Zichri, who willingly offered himself unto the LORD; and with him two hundred thousand mighty men of valor.

He hired also a hundred thousand mighty men of valor out of Israel for a hundred talents of silver.

The whole number of the heads of the fathers' houses of the mighty men of valor were two thousand and six hundred.

He took counsel with his princes and his mighty men to stop the waters of the fountains which were outside the city: and they did help him.

And the LORD sent an angel, who cut off all the mighty men of valor, and the leaders and captains in the camp of the king of Assyria. So he returned with shame of face to his own land. And when he had come into the house of his god, sons that came forth of his own body struck him down there with the sword.