a rotating drum for subjecting materials or small manufactured objects, loosely placed inside, to a tumbling action, as to mix materials or to polish objects by friction with one another or with an abrasive.
[ 1885-90 ]
TUMBLING BARREL
Meaning of TUMBLING BARREL in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012