Bulb vegetable (5)
I believe the answer is:
onion
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bulb vegetable</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 onion that I've seen before include "associated with 26 [TRIPE] ?" , "it can bring tears" , "Shape of Russian dome" , "reason for tears" , "Bulb used in cooking" .)