Cafeteria carrier (4)
I believe the answer is:
tray
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cafeteria carrier</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 tray that I've seen before include "Flattish carrying board" , "Item used for carrying food and drink" , "Bearer" , "Portable carrier" , "Salver" .)