channel, duct, course
(river-)bed
aged nun, former river-bed
Пройди́те два киломе́тра вдоль ста́рого ру́сла реки.
Follow the old river bed for two kilometers.
Река нашла новое ложе после наводнения.
The river found a new bed after the flood.
Мы нашли старицу реки во время прогулки
We found the river’s former bed during our walk.
Мелевшая река открыла старое русло.
The river, which had become shallow, revealed its old bed.
