The ~ parts of something are the parts which contain or enclose the other parts, and which are furthest from the centre.
He heard a voice in the ~ room.
...the ~ suburbs of the city.
? inner
ADJ: ADJ n
The ~ parts of something are the parts which contain or enclose the other parts, and which are furthest from the centre.
He heard a voice in the ~ room.
...the ~ suburbs of the city.
? inner
ADJ: ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012