Skiing or skating
I believe the answer is:
sport
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">skiing</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">skating</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for sport that I've seen before include "Physical activity" , "Games" , "Physical recreation" , "Wear - game - generous type" , "Eg, cricket" .)