to bite the dust

from The Collaborative International Dictionary of English v.0.48
Bite \Bite\ (b[imac]t), v. t. [imp. {Bit} (b[i^]t); p. p.
   {Bitten} (b[i^]t"t'n), {Bit}; p. pr. & vb. n. {Biting}.] [OE.
   biten, AS. b[imac]tan; akin to D. bijten, OS. b[imac]tan,
   OHG. b[imac]zan, G. beissen, Goth. beitan, Icel. b[imac]ta,
   Sw. bita, Dan. bide, L. findere to cleave, Skr. bhid to
   cleave. [root]87. Cf. {Fissure}.]
   [1913 Webster]
   1. To seize with the teeth, so that they enter or nip the
      thing seized; to lacerate, crush, or wound with the teeth;
      as, to bite an apple; to bite a crust; the dog bit a man.
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            Such smiling rogues as these,
            Like rats, oft bite the holy cords atwain. --Shak.
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   2. To puncture, abrade, or sting with an organ (of some
      insects) used in taking food.
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   3. To cause sharp pain, or smarting, to; to hurt or injure,
      in a literal or a figurative sense; as, pepper bites the
      mouth. "Frosts do bite the meads." --Shak.
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   4. To cheat; to trick; to take in. [Colloq.] --Pope.
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   5. To take hold of; to hold fast; to adhere to; as, the
      anchor bites the ground.
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            The last screw of the rack having been turned so
            often that its purchase crumbled, . . . it turned
            and turned with nothing to bite.      --Dickens.
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   {To bite the dust}, {To bite the ground}, to fall in the
      agonies of death; as, he made his enemy bite the dust.

   {To bite in} (Etching), to corrode or eat into metallic
      plates by means of an acid.

   {To bite the thumb at} (any one), formerly a mark of
      contempt, designed to provoke a quarrel; to defy. "Do you
      bite your thumb at us?" --Shak.

   {To bite the tongue}, to keep silence. --Shak.
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from The Collaborative International Dictionary of English v.0.48
Dust \Dust\ (d[u^]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. [root]71.]
   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.
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            Dust thou art, and unto dust shalt thou return.
                                                  --Gen. iii.
                                                  19.
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            Stop! -- for thy tread is on an empire's dust.
                                                  --Byron.
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   2. A single particle of earth or other matter. [R.] "To touch
      a dust of England's ground." --Shak.
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   3. The earth, as the resting place of the dead.
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            For now shall sleep in the dust.      --Job vii. 21.
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   4. The earthy remains of bodies once alive; the remains of
      the human body.
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            And you may carve a shrine about my dust.
                                                  --Tennyson.
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   5. Figuratively, a worthless thing.
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            And by the merit of vile gold, dross, dust. --Shak.
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   6. Figuratively, a low or mean condition.
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            [God] raiseth up the poor out of the dust. --1 Sam.
                                                  ii. 8.
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   7. Gold dust; hence: (Slang) Coined money; cash.
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   {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.]
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