Eye opening? (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">eye opening?</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 slit that I've seen before include "Long straight cut" , "Long narrow opening" , "Incision" , "Narrow aperture" , "Long narrow cut" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">eye opening</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 pupil that I've seen before include "bit of a looker" , "One in the eye or in place of learning" , "A student at school or eye part" , "Schoolboy or eye part" , "Dark centre of the eye" .)