'Legion' in the Bible

Jesus also questioned him. "What is your name?" He said. "Legion," he replied, "for there are a host of us."

and when they came to Jesus, they beheld the demoniac quietly seated, clothed and of sane mind--the man who had had the legion; and they were awe-stricken.

"What is your name?" Jesus asked him. "Legion," he replied--because a great number of demons had entered into him;