Walkie-talkie word (4)
I believe the answer is:
over
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">walkie-talkie word</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 over that I've seen before include "remaining" , "Six cricket deliveries" , "Ancient history" , "Unit of test" , "Work out of hours" .)