What does the word dream mean?

Usage examples for dream

  1. " I had last night a bad dream. – Mère Girauds Little Daughter by Frances Hodgson Burnett
  2. She seems in a sort of dream. – The Privet Hedge by J. E. Buckrose
  3. But I did not think the dream would really come true. – 'Lizbeth of the Dale by Marian Keith