Throw in a high arc (3)
I believe the answer is:
lob
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">throw in a high arc</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lob that I've seen before include "Tennis stroke" , "This clumsy fellow" , "Send in a high arc as in tennis or cricket" , "Shot of Murray" , "Lofted ball" .)