Calf's mother (3)
I believe the answer is:
cow
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">calf's mother</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 cow that I've seen before include "Female domestic mammal" , "Intimidate; milk producer" , "Disagreeable woman" , "cause fear" , "Bovine female" .)