Swirling (7)
I believe the answer is:
eddying
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">swirling</span>' is the definition.<br/ ><span class="explanation-format__explanation">('eddy' can be a synonym of 'swirl')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for eddying that I've seen before include "in vortex" , "Swirling around" , "Swirling round" .)