Corkscrew (6)
I believe the answer is:
spiral
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">corkscrew</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that corkscrew can be written as spiral)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for spiral that I've seen before include "Winding curve" , "Shape of many galaxies" , "Like some staircases" , "In flight manoeuvre" , "New Zealand native" .)