Wharf (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wharf</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 pier that I've seen before include "seaside building" , "Buttress; landing place" , "Breakwater; arch pillar" , "Upright member" , "Structure extending seawards" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wharf</span>' is the definition.<br/ ><span class="explanation-format__explanation">(quay is a kind of wharf)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for quay that I've seen before include "Whatf built parallel to the shoreline" , "Some of port" , "crucial, by the sound of it" , "Landing stage, wharf" , "Jetty" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wharf</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dock that I've seen before include "land" , "Berthing area; cut" , "Cut short; coarse weed" , "Port area - defendant's area - deduct - weed" , "Cut < sort of brief" .)