Clump of grass (4)
I believe the answer is:
tuft
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">clump of grass</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 tuft that I've seen before include "Sort of undergrad" , "Bunch of threads or hair" , "Small clump (of grass)" , "Bunch of threads or grass" , "Bunch of threads or feathers held together at base" .)