'Fasting' in the Bible

Cornelius said, "Four days ago, I was fasting until this hour, and at the ninth hour, I prayed in my house, and behold, a man stood before me in bright clothing,

When they had appointed elders for them in every assembly, and had prayed with fasting, they commended them to the Lord, on whom they had believed.

While the day was coming on, Paul begged them all to take some food, saying, "This day is the fourteenth day that you wait and continue fasting, having taken nothing.