Dancing shoes (5)
I believe the answer is:
pumps
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dancing shoes</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 pumps that I've seen before include "Shoes; inflaters" , "Forces liquid to move; light shoes" , "Moves fluid or gas by pressure or suction" , "Plimsolls" , "Cycle attachments" .)