Bovine mouthful (3)
I believe the answer is:
cud
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bovine mouthful</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 cud that I've seen before include "It's partly digested and chewed again" , "Re-chewed food of a ruminant" , "THIRD PART OF 23" , "Ruminants chew it (3)" , "Wad of something chewable" .)