Male cat (3)

I believe the answer is:
tom
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">male cat</span>' is the definition.<br/ ><span class="explanation-format__explanation">(a male cat is called a tom)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tom that I've seen before include "Male feline" , "Hoyden" , "Very small person" , "type pursuing queen" , "Bell" .)