racer

noun8

1. •
   Agent noun of race: one that races or is used for racing.
2. •
   A person who participates in races, especially an athlete.

   • He was a [motorcycle] racer as a teenager, and a frequent visitor to the Isle of Man, where he had many friends. — 2023
3. •
   A racehorse.
4. •
   A racing pigeon.
5. •
   A vehicle (or other device) used for, or designed specifically for, racing.
6. •
   (informal) A video game involving racing of any kind.

   • For our kart racer, we will start by investigating common elements in similar games that we will need to bring to life, […] — 2012
7. •
   Any of several genera of colubrid snakes.
8. •
   (humorous) A racist.