Links with a space station (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">links with a space station</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for docks that I've seen before include "Harbour" , "Cuts short; port features" , "Cuts short - coarse weeds" , "Trims (tail); arrives in port" , "Cuts short, curtails" .)