Greasy spoons (6)
I believe the answer is:
diners
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">greasy spoons</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 diners that I've seen before include "Restaurants" , "Eaters of a meal" .)