Climbing frame (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">climbing frame?</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 ladder that I've seen before include "Run in stockings" , "Row of unravelled stitches" , "Unravel (as stocking)" , "A fire-fighter may use one" , "Climbing frame; damage tights" .)
(Other definitions for trellis that I've seen before include "Latticework for climbing plants" , "Latticed frame" , "Garden climbing frame" , "Plant-training lattice" , "where climbers may be trained" .)