starter Definition

starter
noun

1. An official who gives the signal for a race to begin.
2. Any of the competitors, horses, greyhounds, etc that assemble for the start of a race.
3. An electric motor that is used to start the engine of a motor vehicle.

Form: starter motor (also)
4. The first course of a meal.

Idiom: for starters

colloq
In the first place; for a start.

Idiom: under starter's orders

Said of racehorses, greyhounds, athletes, etc: waiting for the official signal that the race can begin.