'Couch' in the Bible

On a mountain, high and exalted, Thou hast set thy couch, Also thither thou hast gone up to make a sacrifice.

And behind the door, and the post, Thou hast set up thy memorial, For from Me thou hast removed, and goest up, Thou hast enlarged thy couch, And dost covenant for thyself among them, Thou hast loved their couch, the station thou sawest,