noun
: a wooden or concrete box oblong in shape and open at both ends which is set lengthwise in a canal and in which a weir for the measurement of irrigation water is set crosswise
noun
: a wooden or concrete box oblong in shape and open at both ends which is set lengthwise in a canal and in which a weir for the measurement of irrigation water is set crosswise
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012