Like some whiskey barrels (5)
I believe the answer is:
oaken
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like some whiskey barrels</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 oaken that I've seen before include "(Old adjective for something) made of a deciduous tree's wood" , "Made of particular wood" , "like some old cabinets" , "Made of wood from a deciduous tree" , "Timber" .)