Jockey (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">jockey</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for racer that I've seen before include "American snake" , "someone driving very fast?" , "Run competitor; snake" , "Participant in speed contest" , "Bike, perhaps" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">jockey</span>' is the definition.<br/ ><span class="explanation-format__explanation">(horse rider)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rider that I've seen before include "Stipulation" , "Supplementary verdict brought in by jury" , "Contract clause" , "Jury's added comment" , "Horseman or supplementary jury verdict" .)
(Other definitions for disc that I've seen before include "something moving in the spine" , "Gramophone record" , "Capital of India" , "Thin flat circular object" , "Protein-constituent acid" .)