Definitions
There are 2 meanings of the phrase
Stock Car.
Stock Car - as a noun
A car kept in dealers' stock for regular sales
A racing car with the basic chassis of a commercially available car
Example Sentences
"He drove a stock car in the race."
"The stock car was speeding around the track."
"The stock car driver needed to make a pit stop."
"They modified the stock car for better performance."
"The stock car championship is highly competitive."