runner

n.

  1. One who, or that which, runs; a racer.
  2. A detective.
  3. A messenger.
  4. A smuggler.
  5. One employed to solicit patronage, as for a steamboat, hotel, shop, etc.
  6. 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.
  7. The rotating stone of a set of millstones.
  8. A rope rove through a block and used to increase the mechanical power of a tackle.
  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.
  10. 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.
  11. A trough or channel for leading molten metal from a furnace to a ladle, mold, or pig bed.
  12. The movable piece to which the ribs of an umbrella are attached.
  13. 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.
  14. Any cursorial bird.
  15. A movable slab or rubber used in grinding or polishing a surface of stone.
  16. A tool on which lenses are fastened in a group, for polishing or grinding.