Whiskey grain (3)
I believe the answer is:
rye
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">whiskey grain</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rye that I've seen before include "(Gypsy) gent; type of bread, whiskey" , "place in East Sussex" , "American whisky" , "Cereal - liquor" , "Hardy cereal crop" .)