French mineral water (5)
(Other definitions for evian that I've seen before include "springwater" , "This water" , "spa town" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">french mineral water</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Another definition for perrier that I've seen is " French mineral water".)