Czech beer (7)
I believe the answer is:
pilsner
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">czech beer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for pilsner that I've seen before include "Bar tab might include this" , "alcohol" , "drink" , "Czech beer" , "Type of lager" .)