spill box

spill box

[′spil ‚bäks]
(civil engineering)
A device such as a flume that maintains a constant head on a measuring weir or orifice.
References in periodicals archive ?
For some time every member of my large family received a spill box as a present, but when this outlet was exhausted, I went to the corner shop to see if the shopkeeper would take a supply.
In the earliest days of the industry, production managers used a crude concept called a spill box to control temperature to the roll.
A vertical metal spill box containing a multitude of filters will be built in the center of the cofferdam, and everything will be sloped back towards it.