County; stopper (4)
I believe the answer is:
cork
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">county</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(county of Ireland)</span><br/ ><br/ >'<span class="explanation-format__original">stopper</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that stopper can be written as cork)</span><br/ ><br/ ></span>
(Other definitions for cork that I've seen before include "Irish seaport" , "A tree; a stopper" , "One stops" , "Stopper - Irish port" , "Bottle-stopper for a southern city" .)