'Cloud' in the Bible

And while he said these things, there came a cloud, and overshadowed them: and they feared as they entered into the cloud.

And a voice came out of the cloud, saying, This is my Son, my chosen: hear ye him.

And he said to the multitudes also, When ye see a cloud rising in the west, straightway ye say, There cometh a shower; and so it cometh to pass.

And then shall they see the Son of man coming in a cloud with power and great glory.