1. runner - Noun
2. Runner - Proper noun
A messenger.
One who, or that which, runs; a racer.
A detective.
A smuggler.
One employed to solicit patronage, as for a steamboat, hotel, shop, etc.
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.
The rotating stone of a set of millstones.
A rope rove through a block and used to increase the mechanical power of a tackle.
One of the pieces on which a sled or sleigh slides; also the part or blade of a skate which slides on the ice.
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.
A trough or channel for leading molten metal from a furnace to a ladle, mold, or pig bed.
The movable piece to which the ribs of an umbrella are attached.
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.
Any cursorial bird.
A movable slab or rubber used in grinding or polishing a surface of stone.
A tool on which lenses are fastened in a group, for polishing or grinding.
Source: Webster's dictionaryhe sent a runner over with the contract Source: Internet
A batter who hits the ball into the field of play must drop the bat and begin running toward first base, at which point the player is referred to as a runner (or, until the play is over, a batter-runner). Source: Internet
A catcher does not commit an error by throwing poorly to the destination base, but if any runner takes an extra base on the bad throw, it is "stolen base plus error." Source: Internet
Aelian, On the Nature of Animals VII, 38 Marathon run main According to Herodotus, an Athenian runner named Pheidippides was sent to run from Athens to Sparta to ask for assistance before the battle. Source: Internet
After 2014 their number has shrunk to 14. At the running of the 2014 event the oldest runner was Kenneth Jones, 80 years old, whilst the youngest runner was 55-year-old Chris Finill. Source: Internet
After that runner was caught stealing, no other batter reached base. Source: Internet