資料來源 : Webster's Revised Unabridged Dictionary (1913)

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.

資料來源 : WordNet®

Eupatorium coelestinum
     n : rhizomatous plant of central and southeastern United States
         and West Indies having large showy heads of clear blue
         flowers; sometimes placed in genus Eupatorium [syn: {mistflower},
          {mist-flower}, {ageratum}, {Conoclinium coelestinum}]