Wiktionary
closable
a. (alternative spelling of closeable English)
Usage examples of "closable".
A short, sharp muzzle surrounded by stiff whiskers bore a single closable nostril and a mouth whose omnivore's variety of teeth included a pair of alarming fangs.
Not in the chamber where he had found the berserker, but in the one adjoining, which fortunately for his plan was connected to the berserker's room by a closable door.