Minty drink at Churchill Downs
I believe the answer is:
julep
'minty drink at churchill downs' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for julep that I've seen before include "Mint drink in America" , "(Minted) drink made with bourbon, sugar and crushed ice" , "Cocktail of bourbon, sugar and mint over crushed ice" , "See 21 Down" , "Sweet drink, often medicated" .)