Dream, v. i. [imp. & p. p. Dreamed (drēmd) or Dreamt (drĕmt); p. pr. & vb. n. Dreaming.] [Cf. AS. drēman, drȳman, 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.

Dream (drēm), n. [Akin to OS. drōm, D. droom, G. traum, Icel. draumr, Dan. & Sw. dröm; cf. G. trügen to deceive, Skr. druh to harm, hurt, try to hurt. AS. dreÁm joy, gladness, and OS. drōm joy are, perh., different words; cf. Gr. qry^los noise.] 1. The thoughts, or series of thoughts, or imaginary transactions, which occupy the mind during sleep; a sleeping vision.

Dreams are but interludes which fancy makes.

I had a dream which was not all a dream.

2. A visionary scheme; a wild conceit; an idle fancy; a vagary; a revery; -- in this sense, applied to an imaginary or anticipated state of happiness; as, a dream of bliss; the dream of his youth.

There sober thought pursued the amusing theme,
Till Fancy colored it and formed a dream.

It is not them a mere dream, but a very real aim which they propose.
J. C. Shairp.

Dream, v. t. To have a dream of; to see, or have a vision of, in sleep, or in idle fancy; -- often followed by an objective clause.

Your old men shall dream dreams
. Acts ii. 17.

At length in sleep their bodies they compose,
And dreamt the future fight
. Dryden.

And still they dream that they shall still succeed
. Cowper.

To dream away, out, through, etc., to pass in revery or inaction; to spend in idle vagaries; as, to dream away an hour; to dream through life. " Why does Antony dream out his hours?" Dryden.