Cold-blooded creature (7)

I believe the answer is:
reptile
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cold-blooded creature</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 reptile that I've seen before include "Cold-blooded vertebrate" , "Unpleasant character" , "Cold-blooded beast" , "Malignant creature" , "Snake or croc?" .)