High-pitched cry (6)
I believe the answer is:
squeal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">high-pitched cry</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for squeal that I've seen before include "Study of plants" , "Shrill sound" , "Yell" , "Make sound like as stuck pig" , "Split" .)