A ~ river is wide and deep enough for a boat to travel along safely. (FORMAL)
...the ~ portion of the Nile.
ADJ
A ~ river is wide and deep enough for a boat to travel along safely. (FORMAL)
...the ~ portion of the Nile.
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012