Place for poissons (3)
I believe the answer is:
mer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">place for poissons</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 mer that I've seen before include "Mal de - - , seasickness" , "A French sea" .)