Fertile spot in a desert (5)
I believe the answer is:
oasis
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fertile spot in a desert</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for oasis that I've seen before include "Place of refreshment" , "Pop group" , "Desert sanctuary" , "place to escape gloom?" , "provides refuge" .)