Scull (3)
I believe the answer is:
oar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scull</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for oar that I've seen before include "Scull" , "Bladed pole" , "Implement to propel a boat" , "Manual boat propeller" , "Propelling pole" .)