Relating to the mouth (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">relating to the mouth</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for oral that I've seen before include "Exam using speech" , "Spoken, of the mouth" , "Spoken exam" , "'Spoken, not written (4)'" , "from the trap" .)
(Another definition for oscular that I've seen is " Kissing".)