A slowcoach (8)
I believe the answer is:
tortoise
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a slowcoach</span>' is the definition.<br/ ><span class="explanation-format__explanation">(tortoises are slow animals)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tortoise that I've seen before include "Slow reptile that raced a hare" , "Land turtle" , "Shelled reptile" , "Turtle-like reptile" , "Tie roots (anag)" .)