Source : Webster's Revised Unabridged Dictionary (1913)

Dream \Dream\, v. i. [imp. & p. p. {Dreamed}or {Dreamt} (?); p.
   pr. & vb. n. {Dreaming}.] [Cf. AS. dr?man, dr?man, to
   rejoice. See {Dream}, n.]
   1. To have ideas or images in the mind while in the state of
      sleep; to experience sleeping visions; -- often with of;
      as, to dream of a battle, or of an absent friend.

   2. To let the mind run on in idle revery or vagary; to
      anticipate vaguely as a coming and happy reality; to have
      a visionary notion or idea; to imagine.

            Here may we sit and dream Over the heavenly theme.
                                                  --Keble.

            They dream on in a constant course of reading, but
            not digesting.                        --Locke.

Source : WordNet®

dream
     n 1: a series of mental images and emotions occurring during
          sleep; "I had a dream about you last night" [syn: {dreaming}]
     2: a cherished desire; "his ambition is to own his own
        business" [syn: {ambition}, {aspiration}]
     3: imaginative thoughts indulged in while awake; "he lives in a
        dream that has nothing to do with reality" [syn: {dreaming}]
     4: a fantastic but vain hope (from fantasies induced by the
        opium pipe); "I have this pipe dream about being emperor
        of the universe" [syn: {pipe dream}]
     5: a state of mind characterized by abstraction and release
        from reality; "he went about his work as if in a dream"
     6: someone of something wonderful; "this dessert is a dream"
     [also: {dreamt}]

dream
     v 1: have a daydream; indulge in a fantasy [syn: {daydream}, {woolgather},
           {stargaze}]
     2: experience while sleeping; "She claims to never dream"; "He
        dreamt a strange scene"
     [also: {dreamt}]

dreamt
     See {dream}