Read the dictionary definition of runner. All definitions for this word.
1. fish of western Atlantic: Cape Cod to Brazil
2. device consisting of the parts on which something can slide along
3. a long narrow carpet
4. (football) the player who is carrying (and trying to advance) the ball on an offensive play
5. a baseball player on the team at bat who is on base (or attempting to reach a base)
6. a person who is employed to deliver messages or documents
1. he sent a runner over with the contract
7. someone who travels on foot by running
8. a trained athlete who competes in foot races
9. someone who imports or exports without paying duties
10. a horizontal branch from the base of plant that produces new plants from buds at its tips