n. A succession of images or fantastic ideas present in the mind during sleep; the sleeping state in which such images occur.n. That which is presented to the mind by the imaginative faculty, though not in sleep; a vision of the fancy, especially a wild or vain fancy.To be partially, and with more or less confusion or incoherence, conscious of images and thoughts during sleep: with of before an object: as, to dream of a battle; to dream of an absent friend.To think idly or dreamily; give way to visionary thought or speculation; indulge in reverie or waking visions.To have indefinite thought or expectation; think of something as possible; conceive: with of: as, he little dreamed of his approaching fate.To see or think in a dream; imagine in sleep.To imagine as if in a dream; think about vainly, idly, or fancifully.To suppose indefinitely; have a conception of or about; believe in a general way.To pass in reverie or inaction; spend idly or fancifully: followed by away, out, or through: as, to dream, away one's life.n. A noise, especially a joyful noise; jubilation; music.