Quay (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">quay</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 jetty that I've seen before include "Pier - landing stage" , "Dock" , "Small landing stage" , "Quay" , "Wharf" .)
(Other definitions for wharf that I've seen before include "Landing stage or quayside" , "Waterfront landing stage" , "Quay for loading/unloading" , "Dock" , "Landing area" .)