| Racer (n.) One who, or that which, races, or contends in a race |
| Racer (n.) The common American black snake. |
| Racer (n.) One of the circular iron or steel rails on which the chassis of a heavy gun is turned. |
| racer slender fast-moving North American snakes |
| blacksnake black racer / Coluber constrictor blackish racer of the eastern United States that grows to six feet |
| blue racer / Coluber constrictor flaviventris bluish-green blacksnake found from Ohio to Texas |
| California whipsnake / striped racer / Masticophis lateralis a whipsnake of scrublands and rocky hillsides |
| racer an animal that races |
| racer / race car / racing car a fast car that competes in races |
| racer / race driver / automobile driver someone who drives racing cars at high speeds |