Tuft of grass (7)
I believe the answer is:
tussock
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tuft of grass</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 tussock that I've seen before include "Dense clump of grass - stuck so (anag)" , "hump" , "Bushy clump of grass" , "mound" , "(Of grass) cut" .)