'Lord of Hosts' in the Bible

Who is this King of glory? Even the LORD of Hosts, he is the King of glory. Selah.

The LORD of hosts is with us, the God of Jacob is our refuge. Selah.

The LORD of hosts is with us, the God of Jacob is our refuge. Selah.

Like as we have heard, so see we in the city of the LORD of Hosts, in the city of our God. God upholdeth the same forever. Selah.

{Upon Gittith, a Psalm of the sons of Korah} O how amiable are thy dwellings, thou LORD of Hosts!

For the sparrow hath found her a house, and the swallow a nest, where she may lay her young; even thine altars, O LORD of hosts, my King, and my God.