Drawing implement (6)
(Other definitions for pencil that I've seen before include "implement in case?" , "Implement for writing, drawing etc" , "Writing instrument" , "American bureaucrat -- purple niches (anag)" , "HB writer?" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">drawing implement</span>' is the definition.<br/ ><span class="explanation-format__explanation">(crayons are used for drawing)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for crayon that I've seen before include "One colours with this" , "Writer" , "Producer of sketch" , "Pencil of chalk or wax" , "pencil (13) [FRENCH]" .)