In preparation (2,3,6)
I believe the answer is:
on the stocks
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">in preparation</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 on the stocks that I've seen before include "In preparation" , "In construction" .)