Coachwhip is a word that refers to a type of nonvenomous snake native to North and South America. The word "coachwhip" comes from the snake's long, thin body that resembles a leather whip once used to coach horses. Synonyms for coachwhip include red racer, red whip snake, and eastern coachwhip. Other similar snakes may include the black racer, eastern racer, and southern black racer. These snakes are typically found in warm climates and are known for their speedy movements and ability to climb trees. While they may appear intimidating, coachwhips are generally harmless to humans and are considered an important part of their ecosystems.