Rowing teams (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rowing teams</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 crews that I've seen before include "Work parties" , "Those manning ships" , "Ships' companies" , "Eights" , "Ships' complements, say" .)