Young bovine (4)
I believe the answer is:
calf
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">young bovine</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for calf that I've seen before include "Young seal" , "Roo's mum (A. A. Milne)" , "Young elephant" , "Young of domestic cattle" , "Part of the leg - baby farm animal" .)