Fermented apple juice (5)
I believe the answer is:
cider
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fermented apple juice</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cider that I've seen before include "Apple-based drink" , "Drink made from fermented apples" , "Scrumpy" , "Alcoholic drink from fermented apple juice" , "Pear drink" .)