Canine in Oz (4)
I believe the answer is:
toto
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">canine in oz</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 toto that I've seen before include "[FRIEND OF DOROTHY]" , "Dorothy's dog in The Wizard of Oz" , "member of the 5d band" , "Famous film dog" .)