Upper arm bone (7)
I believe the answer is:
humerus
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">upper arm bone</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for humerus that I've seen before include "Arm bone (that sounds comical)" , "Bone that sounds funny?" , "Boneo of the upper arm" , "What's often thought funny" , "Upper arm bone" .)