'Bowed the Knee' in the Bible

And when they had platted a crown of thorns, they put it upon his head, and a reed in his right hand: and they bowed the knee before him, and mocked him, saying, Hail, King of the Jews!

But what says the answer of God unto him? I have reserved to myself seven thousand men, who have not bowed the knee to the image of Baal.