Margarita garnish (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">margarita garnish</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 lime that I've seen before include "Round green fruit or a linden tree" , "Sharp-tasting fruit" , "Having no money" , "White substance used in cement" , "Yellowish-green" .)