Spherical hairdo (4)
I believe the answer is:
afro
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spherical hairdo</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 afro that I've seen before include "Shock description" , "Of hair style, tightly curled and bushy" , "Tightly-curled 4 down" , "Hairstyle with tight curls" , "Type of hairstyle - from Africa" .)