Cold-blooded one (7)
I believe the answer is:
reptile
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cold-blooded one</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for reptile that I've seen before include "Turtle, for example" , "Turtle or snake say" , "Lizard, for example" , "Cold-blooded beast" , "Somebody grovelling" .)