Landing (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">landing</span>' is the definition.<br/ ><span class="explanation-format__explanation">(pier is a kind of landing)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for pier that I've seen before include "Support for two adjacent bridge spans" , "Structure extending seawards" , "Mole, wall between windows" , "Building projecting into the sea" , "such as you might see at the seaside" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">landing</span>' is the definition.<br/ ><span class="explanation-format__explanation">(touching down is a kind of landing)</span><br/ ><br/ >This is the entire clue.<br/ ></span>