(n.) A board attached to the rim of a water wheel to prevent the water from running off the floats or paddies into the interior of the wheel.
BACKBOARD
Meaning of BACKBOARD in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) A board attached to the rim of a water wheel to prevent the water from running off the floats or paddies into the interior of the wheel.
Webster's English dictionary. Английский словарь Webster. 2012