Mont Blanc or Matterhorn (3)
I believe the answer is:
alp
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">mont blanc</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">matterhorn</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for alp that I've seen before include "One of a European mountain range" , "Mont Blanc, for example" , "High mountain" , "Mountain pasture" , "Swiss mountain" .)