Runner (noun)

1. A person who runs as a sport or for exercise.
2. A long narrow strip of cloth, carpet, or other material used for covering a surface or as a decoration.
3. A type of sled used for transporting goods over snow.
4. A person or thing that runs, such as an engine or a machine.
5. A competitor in a race.

Origin:

From the middle english word 'runnen' meaning 'to run'.

Examples:

1. She was a fast runner and won the first place in the marathon.
2. The table was covered with a red runner.
3. The goods were transported over the snow using runners.
4. The runner of the machine was worn out and needed to be replaced.
5. The runners were at the starting line waiting for the race to begin.