Miniature whirlpool (4)
I believe the answer is:
eddy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">miniature whirlpool</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 eddy that I've seen before include "Vortex" , "Ripple" , "giddying effect" , "Spinning current" , "move in circles" .)