muck bar

from The Collaborative International Dictionary of English v.0.48
Muck \Muck\, n. [Icel. myki; akin to D. m["o]g. Cf. {Midden}.]
   1. Dung in a moist state; manure. --Bacon.
      [1913 Webster]

   2. Vegetable mold mixed with earth, as found in low, damp
      places and swamps.
      [1913 Webster]

   3. Anything filthy or vile. --Spenser.
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   4. Money; -- in contempt.
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            The fatal muck we quarreled for.      --Beau. & Fl.
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   5. (Mining) The unwanted material, especially rock or soil,
      that must be excavated in order to reach the valuable ore;
      also, the unwanted material after being excavated or
      crushed by blasting, or after being removed to a waste
      pile. In the latter sense, also called a {muck pile}.
      [RDH]

   {Muck bar}, bar iron which has been through the rolls only
      once.

   {Muck iron}, crude puddled iron ready for the squeezer or
      rollers. --Knight.

   {muck pile} see {muck pile} in the vocabulary.
      [1913 Webster +RDH]
    

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