The Collaborative International Dictionary of English v.0.48:

Runner \Run"ner\, n. [From Run.]
   1. One who, or that which, runs; a racer.
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   2. A detective. [Slang, Eng.] --Dickens.
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   3. A messenger. --Swift.
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   4. A smuggler. [Colloq.] --R. North.
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   5. One employed to solicit patronage, as for a steamboat,
      hotel, shop, etc. [Cant, U.S.]
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   6. (Bot.) A slender trailing branch which takes root at the
      joints or end and there forms new plants, as in the
      strawberry and the common cinquefoil.
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   7. The rotating stone of a set of millstones.
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   8. (Naut.) A rope rove through a block and used to increase
      the mechanical power of a tackle. --Totten.
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   9. One of the pieces on which a sled or sleigh slides; also
      the part or blade of a skate which slides on the ice.
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   10. (Founding)
       (a) A horizontal channel in a mold, through which the
           metal flows to the cavity formed by the pattern;
           also, the waste metal left in such a channel.
       (b) A trough or channel for leading molten metal from a
           furnace to a ladle, mold, or pig bed.
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   11. The movable piece to which the ribs of an umbrella are
       attached.
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   12. (Zool.) A food fish (Elagatis pinnulatus) of Florida
       and the West Indies; -- called also skipjack,
       shoemaker, and yellowtail. The name alludes to its
       rapid successive leaps from the water.
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   13. (Zool.) Any cursorial bird.
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   14. (Mech.)
       (a) A movable slab or rubber used in grinding or
           polishing a surface of stone.
       (b) A tool on which lenses are fastened in a group, for
           polishing or grinding.
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The Collaborative International Dictionary of English v.0.48:

Shoemaker \Shoe"mak`er\, n.
   1. One whose occupation it is to make shoes and boots.
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   2. (Zool.)
      (a) The threadfish.
      (b) The runner, 12.
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WordNet (r) 3.0 (2006):

shoemaker
    n 1: a person who makes or repairs shoes [syn: cobbler,
         shoemaker]