Natation (8)
I believe the answer is:
swimming
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">natation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for swimming that I've seen before include "Travelling through water" , "Filled with tears" , "Doing crawl" , "Moving through water" , "Bathing" .)