Thing with rings
I believe the answer is:
tree
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">thing with rings</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 tree that I've seen before include "Plane perhaps" , "eg Rowan" , "Big plant" , "Ash or elm, for example" , "Holly, perhaps" .)