Entrances (5)
I believe the answer is:
doors
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">entrances</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for doors that I've seen before include "Barriers to entrances" , "Ways in and out" , "Swinging or sliding barriers" , "Openings" , "Entrance barriers" .)