What is the meaning of dream?

noun

• A series of mental images and emotions occurring during sleep.
  • usage: "I had a dream about you last night"
  • synonyms: dreaming
• Imaginative thoughts indulged in while awake.
  • usage: "he lives in a dream that has nothing to do with reality"
  • synonyms: dreaming
• A cherished desire.
  • usage: "his ambition is to own his own business"
  • synonyms: ambition, aspiration
• A fantastic but vain hope (from fantasies induced by the opium pipe. )
  • usage: "I have this pipe dream about being emperor of the universe"
  • synonyms: pipe dream
• A state of mind characterized by abstraction and release from reality.
  • usage: "he went about his work as if in a dream"
• Someone or something wonderful.
  • usage: "this dessert is a dream"

verb

• Have a daydream; indulge in a fantasy.
  • synonyms: daydream, woolgather, stargaze
• Experience while sleeping.
  • usage: "She claims to never dream"; "He dreamt a strange scene"