Lady Macbeth's problem (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lady macbeth's problem</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 spot that I've seen before include "Pickle" , "Catch sight of mark in pots" , "See; location" , "Predicament" , "See 5" .)