'Lord of Hosts' in the Bible

And this man went up out of his city from year to year to worship and to sacrifice to LORD of hosts in Shiloh. And the two sons of Eli, Hophni and Phinehas, priests to LORD, were there.

And she vowed a vow, and said, O LORD of hosts, if thou will indeed look on the affliction of thy handmaid, and remember me, and not forget thy handmaid, but will give to thy handmaid a man-child, then I will give him to LORD all t

So the people sent to Shiloh, and they brought from there the ark of the covenant of LORD of hosts, who sits [above] the cherubim. And the two sons of Eli, Hophni and Phinehas, were there with the ark of the covenant of God.

Thus says LORD of hosts, I have remembered that which Amalek did to Israel, how he set himself against him in the way when he came up out of Egypt.

Then David said to the Philistine, Thou come to me with a sword, and with a spear, and with a javelin, but I come to thee in the name of LORD of hosts, the God of the armies of Israel, whom thou have defied.