[ rey-ser ]
See synonyms for racer on Thesaurus.com
  1. a person, animal, or thing that races or takes part in a race, as a racehorse, bicycle, yacht, etc.

  2. anything having great speed.

  1. a turntable on which a heavy gun is turned.

  2. any of several slender, active snakes of the genera Coluber and Masticophis.

Origin of racer

First recorded in 1640–50; race1 + -er1

Other words from racer

  • min·i·rac·er, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use racer in a sentence

  • Many of the horses were sleek, glossy, and fine-limbed, like racers; others were strong-boned and rough.

  • One event was always a special attraction, even to professional racers all over the country.

    The Underworld | James C. Welsh
  • Round the others went, the excitement growing among the crowd, who kept shouting encouraging remarks to the racers as they passed.

    The Underworld | James C. Welsh
  • Off Skelmorlie the racers got the true east wind hard, and found the flagboat dragging her anchor.

    Yachting Vol. 2 | Various.

British Dictionary definitions for racer


/ (ˈreɪsə) /

  1. a person, animal, or machine that races

  2. a turntable used to traverse a heavy gun

  1. any of several long slender nonvenomous North American snakes of the colubrid genus Coluber and related genera, such as C. lateralis (striped racer)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012