Job opening (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">job 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 slot that I've seen before include "Small opening, for a coin say" , "Narrow opening as in gaming machine" , "Space for coin or programme" , "Fit into puzzle" , "Scheduled time -- aperture for coins" .)
(Other definitions for vacancy that I've seen before include "Unoccupied situation" , "Unoccupied post" , "Lack of consideration" , "Unoccupied state, job or apartment" , "An opening, job or apartment" .)