runnern.[From Run.]1. One who, or that which, runs; a racer.()2. A detective.(Dickens.)3. A messenger.(Swift.)4. A smuggler.(R. North.)5. One employed to solicit patronage, as for a steamboat, hotel, shop, etc.()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.()7. The rotating stone of a set of millstones.()8. (Naut.) A rope rove through a block and used to increase the mechanical power of a tackle.(Totten.)()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. (Founding) 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. The movable piece to which the ribs of an umbrella are attached.()12. (Zol.) 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.()13. (Zol.) Any cursorial bird.()14. (Mech.) A movable slab or rubber used in grinding or polishing a surface of stone.()