Apple of one's eye (3)
I believe the answer is:
pet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">apple of one's eye</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for pet that I've seen before include "Caress - budgie, perhaps?" , "Cat or dog" , "Domesticated animal" , "Little darling" , "Tamed domestic animal" .)