It can open (and close!) (4)
I believe the answer is:
door
(Other definitions for door that I've seen before include "Entrance way" , "Hinged barrier" , "Usual entrance" , "Swinging barrier" , "Moveable structure at an entrance" .)
I believe the answer is:
door
(Other definitions for door that I've seen before include "Entrance way" , "Hinged barrier" , "Usual entrance" , "Swinging barrier" , "Moveable structure at an entrance" .)