Buffalo's county (4)
I believe the answer is:
erie
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">buffalo's county</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for erie that I've seen before include "Lake between Canada and the US" , "N. American lake" , "Spooky-sounding" , "Great lake in Eire" , "Buffalo's lake" .)