racer

definition: slender fast-moving North American snakes
example:
speech part: noun
synonyms:
definition: an animal that races
example:
speech part: noun
synonyms:
definition: a fast car that competes in races
example:
speech part: noun
synonyms: race car racing car
definition: someone who drives racing cars at high speeds
example:
speech part: noun
synonyms: race driver automobile driver

How racer is being used?