racer
n. countable B1 Intermediate US //ˈɹeɪsɝ// UK //ɹˈeɪsɐ// rac·er
n. a person or vehicle that takes part in a speed competition. You use this for anyone from a professional driver to a kid on a bicycle.
n. a person, animal, or vehicle that competes in a contest of speed. Often used to describe professional athletes or high-performance machines designed specifically for competition.
The young racer crossed the finish line first.
After years of practice, she finally joined the team as a professional motorcycle racer.
The engineering team spent months refining the aerodynamics of their new racer, hoping to shave seconds off their previous lap time at the national championship.
From race + -er. First attested in 1648.