It opens and closes (4)
I believe the answer is:
door
(Other definitions for door that I've seen before include "Barrier to open and close" , "Entrance barrier" , "Swinging barrier" , "Entrance way" , "Portal" .)
I believe the answer is:
door
(Other definitions for door that I've seen before include "Barrier to open and close" , "Entrance barrier" , "Swinging barrier" , "Entrance way" , "Portal" .)