It might be open and shut (4)
I believe the answer is:
door
(Other definitions for door that I've seen before include "Usual entrance" , "Means of exit and entrance" , "See 1" , "Entrance barrier" , "Portal" .)
I believe the answer is:
door
(Other definitions for door that I've seen before include "Usual entrance" , "Means of exit and entrance" , "See 1" , "Entrance barrier" , "Portal" .)