Used an oar (5)
I believe the answer is:
rowed
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">used an oar</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rowed that I've seen before include "Propelled boat" , "argued" , "Sculled" , "Propelled by oars" , "Paddled" .)