Honshu peak (4)
I believe the answer is:
fuji
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">honshu peak</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 fuji that I've seen before include "Extinct volcano in central Japan" , "Extinct volcano is the highest peak in Japan" , "Sacred Japanese mountain" , "Japan's sacred mountain" , "Japan's highest peak" .)