racer
//ˈreɪsər//
Noun
racerSingular
racersPlural
1
A person, animal, or vehicle that competes in races.
She is a professional racer who has won many competitions.
2
A fast-moving snake, especially one of the genus Coluber.
We spotted a racer slithering quickly through the grass.
3
A vehicle designed or modified for racing.
The mechanic spent all night tuning the racer for tomorrow's competition.