Passage between buildings (5)
I believe the answer is:
alley
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">passage between buildings</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 alley that I've seen before include "Narrow passageway" , "garden path" , "Walk" , "Narrow passage" , "Passage between buildings" .)