Bookie's quote (4)
I believe the answer is:
odds
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bookie's quote</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for odds that I've seen before include "(In betting) chances" , "Betting price" , "The chances of something happening" , "Chance" , "Betting figures" .)