Source : Webster's Revised Unabridged Dictionary (1913)

Mist \Mist\, v. t. [imp. & p. p. {Misted}; p. pr. & vb. n.
   {Misting}.]
   To cloud; to cover with mist; to dim. --Shak.

Mist \Mist\, v. i.
   To rain in very fine drops; as, it mists.

Mist \Mist\ (m[i^]st), n. [AS. mist; akin to D. & Sw. mist,
   Icel. mistr, G. mist dung, Goth. ma['i]hstus, AS. m[=i]gan to
   make water, Icel. m[=i]ga, Lith. migla mist, Russ. mgla, L.
   mingere, meiere, to make water, gr. ? to make water, ? mist,
   Skr. mih to make water, n., a mist m[hand]gha cloud.
   [root]102. Cf. {Misle}, {Mizzle}, {Mixen}.]
   1. Visible watery vapor suspended in the atmosphere, at or
      near the surface of the earth; fog.

   2. Coarse, watery vapor, floating or falling in visible
      particles, approaching the form of rain; as, Scotch mist.

   3. Hence, anything which dims or darkens, and obscures or
      intercepts vision.

            His passion cast a mist before his sense. --Dryden.

   {Mist flower} (Bot.), a composite plant ({Eupatorium
      c[oe]lestinum}), having heart-shaped leaves, and corymbs
      of lavender-blue flowers. It is found in the Western and
      Southern United States.

Source : WordNet®

mist
     n : a thin fog with condensation near the ground

mist
     v 1: become covered with mist; "The windshield misted over" [syn:
           {mist over}]
     2: make less visible or unclear; "The stars are obscured by the
        clouds" [syn: {obscure}, {befog}, {becloud}, {obnubilate},
         {haze over}, {fog}, {cloud}]
     3: spray finely or cover with mist