[1] : The Collaborative International Dictionary of English v.0.48

ashes \ash"es\, n. pl. oe. asche, aske, as. asce, aesce, axe;
   akin to ohg. asca, g. asche, d. asch, icel.  sw. aska, dan.
   aske, goth. azgo.
   1. the earthy or mineral particles of combustible substances
      remaining after combustion, as of wood or coal.
      1913 webster

   2. specifically: the remains of the human body when burnt, or
      when "returned to dust" by natural decay.
      1913 webster

            their martyred blood and ashes sow.   --milton.
      1913 webster

            the coffins were broken open. the ashes were
            scattered to the winds.               --macaulay.
      1913 webster

   3. the color of ashes; deathlike paleness.
      1913 webster

            the lip of ashes, and the cheek of flame. --byron.
      1913 webster

   in dust and ashes, in sackcloth and ashes, with humble
      expression of grief or repentance; -- from the method of
      mourning in eastern lands.

   volcanic ashes, or volcanic ash, the loose, earthy
      matter, or small fragments of stone or lava, ejected by
      volcanoes.
      1913 webster
see also:
in dust and ashes in sackcloth and ashes volcanic ashes volcanic ash 

[2] : The Collaborative International Dictionary of English v.0.48

dust \dust\ du^st, n. as. dust; cf. lg. dust, d. duist meal
   dust, od. doest, donst, and g. dunst vapor, ohg. tunist,
   dunist, a blowing, wind, icel. dust dust, dan. dyst mill
   dust; perh. akin to l. fumus smoke, e. fume. root71.
   1. fine, dry particles of earth or other matter, so
      comminuted that they may be raised and wafted by the wind;
      that which is crumbled to minute portions; fine powder;
      as, clouds of dust; bone dust.
      1913 webster

            dust thou art, and unto dust shalt thou return.
                                                  --gen. iii.
                                                  19.
      1913 webster

            stop -- for thy tread is on an empire's dust.
                                                  --byron.
      1913 webster

   2. a single particle of earth or other matter. r. "to touch
      a dust of england's ground." --shak.
      1913 webster

   3. the earth, as the resting place of the dead.
      1913 webster

            for now shall sleep in the dust.      --job vii. 21.
      1913 webster

   4. the earthy remains of bodies once alive; the remains of
      the human body.
      1913 webster

            and you may carve a shrine about my dust.
                                                  --tennyson.
      1913 webster

   5. figuratively, a worthless thing.
      1913 webster

            and by the merit of vile gold, dross, dust. --shak.
      1913 webster

   6. figuratively, a low or mean condition.
      1913 webster

            god raiseth up the poor out of the dust. --1 sam.
                                                  ii. 8.
      1913 webster

   7. gold dust; hence: slang coined money; cash.
      1913 webster

   down with the dust, deposit the cash; pay down the money.
      slang "my lord, quoth the king, presently deposit your
      hundred pounds in gold, or else no going hence all the
      days of your life. . . . the abbot down with his dust, and
      glad he escaped so, returned to reading." --fuller.

   dust brand bot., a fungous plant ustilago carbo; --
      called also smut.

   gold dust, fine particles of gold, such as are obtained in
      placer mining; -- often used as money, being transferred
      by weight.

   in dust and ashes. see under ashes.

   to bite the dust. see under bite, v. t.

   to raise dust, or

   to kick up dust, to make a commotion. colloq.

   to throw dust in one's eyes, to mislead; to deceive.
      colloq.
      1913 webster
see also:
down with the dust dust brand ustilago carbo smut gold dust in dust and ashes 
ashes to bite the dust bite to raise dust to kick up dust 
to throw dust in one's eyes 

Dust >> D Words
Dust, definition of term: Dust
dust_pag1.html

Ashes >> A Words
Ashes, definition of term: Ashes
ashes_pag1.html

Dust Storm >> D Words
Dust Storm, definition of term: Dust Storm
dust+storm_pag1.html

Dust Jacket >> D Words
Dust Jacket, definition of term: Dust Jacket
dust+jacket_pag1.html

Dust Bowl >> D Words
Dust Bowl, definition of term: Dust Bowl
dust+bowl_pag1.html

Gold Dust >> G Words
Gold Dust, definition of term: Gold Dust
gold+dust_pag1.html

Angel Dust >> A Words
Angel Dust, definition of term: Angel Dust
angel+dust_pag1.html