Mottle (6)
I believe the answer is:
dapple
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mottle</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that mottle can be written as dapple)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dapple that I've seen before include "mottled" , "Variegate with spots" , "Mottle" , "Patch of colour/light" , "Spotted" .)