(~s)
1.
An ~ is a narrow hole or gap. (FORMAL)
Through the ~ he could see daylight.
N-COUNT
2.
In photography, the ~ of a camera is the size of the hole through which light passes to reach the film.
N-COUNT
(~s)
1.
An ~ is a narrow hole or gap. (FORMAL)
Through the ~ he could see daylight.
N-COUNT
2.
In photography, the ~ of a camera is the size of the hole through which light passes to reach the film.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012