отвір, щілина

Приклади використання слова «opening»:

But he must have got away through some opening or other.
Once, opening his eyes, he saw what he took to be anhallucination.
A vaulted metalpassage, with doors to the control rooms opening from it.
The opening and shutting of the door roused them both from their dreams.
Examination revealed the fact that the blotch wasan opening cut in the wall.