non-runner
nounEtymology From non- + runner.
1
One who does not take part in the physical activity of running.
2
A racehorse that is withdrawn before the start of a race.
- There were two non-runners in the three o'clock at Puddletown.
3
A vehicle that cannot move under its own power, owing to mechanical defect or failure.
- The Merc on the forecourt is a non-runner.