Flood refuge
I believe the answer is:
ark
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">flood refuge</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 ark that I've seen before include "Noah's ship" , "State" , "Animal transporter" , "Biblical vessel" , "Flood vessel; box (arch.)" .)